Organooxygen compounds
Résultats de la recherche filtrée
Isoamyl Alcohol (Clear, Colorless/Certified ACS), Fisher Chemical™
CAS: 123-51-3 Formule moléculaire: C5H12O Poids moléculaire (g/mol): 88.15 Numéro MDL: MFCD00002934 Clé InChI: PHTQWCKDNZKARW-UHFFFAOYSA-N Synonyme: 3-methyl-1-butanol,isoamyl alcohol,isopentyl alcohol,isopentanol,3-methylbutanol,1-butanol, 3-methyl,isoamylol,isobutylcarbinol,iso-amylalkohol,isobutyl carbinol CID PubChem: 31260 ChEBI: CHEBI:15837 Nom IUPAC: 3-methylbutan-1-ol SMILES: CC(C)CCO
| Poids moléculaire (g/mol) | 88.15 |
|---|---|
| Synonyme | 3-methyl-1-butanol,isoamyl alcohol,isopentyl alcohol,isopentanol,3-methylbutanol,1-butanol, 3-methyl,isoamylol,isobutylcarbinol,iso-amylalkohol,isobutyl carbinol |
| Numéro MDL | MFCD00002934 |
| CAS | 123-51-3 |
| CID PubChem | 31260 |
| ChEBI | CHEBI:15837 |
| Nom IUPAC | 3-methylbutan-1-ol |
| Clé InChI | PHTQWCKDNZKARW-UHFFFAOYSA-N |
| SMILES | CC(C)CCO |
| Formule moléculaire | C5H12O |
Propylene Glycol (USP/FCC), Fisher Chemical™
CAS: 57-55-6 Formule moléculaire: C3H8O2 Poids moléculaire (g/mol): 76.095 Numéro MDL: MFCD00064272 Clé InChI: DNIAPMSPPWPWGF-UHFFFAOYSA-N Synonyme: 1,2-propanediol,propylene glycol,1,2-dihydroxypropane,2-hydroxypropanol,1,2-propylene glycol,methylethyl glycol,methylethylene glycol,monopropylene glycol,isopropylene glycol,dowfrost CID PubChem: 1030 ChEBI: CHEBI:16997 Nom IUPAC: propane-1,2-diol SMILES: CC(CO)O
| Poids moléculaire (g/mol) | 76.095 |
|---|---|
| Synonyme | 1,2-propanediol,propylene glycol,1,2-dihydroxypropane,2-hydroxypropanol,1,2-propylene glycol,methylethyl glycol,methylethylene glycol,monopropylene glycol,isopropylene glycol,dowfrost |
| Numéro MDL | MFCD00064272 |
| CAS | 57-55-6 |
| CID PubChem | 1030 |
| ChEBI | CHEBI:16997 |
| Nom IUPAC | propane-1,2-diol |
| Clé InChI | DNIAPMSPPWPWGF-UHFFFAOYSA-N |
| SMILES | CC(CO)O |
| Formule moléculaire | C3H8O2 |
L-Ascorbic Acid (Crystalline/Certified ACS), Fisher Chemical™
CAS: 50-81-7 Formule moléculaire: C6H8O6 Poids moléculaire (g/mol): 176.12 Numéro MDL: MFCD00064328 Clé InChI: CIWBSHSKHKDKBQ-DOMZIZNONA-N Synonyme: l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin CID PubChem: 54670067 ChEBI: CHEBI:29073 Nom IUPAC: (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one SMILES: OC[C@H](O)[C@H]1OC(=O)C(O)=C1O
| Poids moléculaire (g/mol) | 176.12 |
|---|---|
| Synonyme | l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin |
| Numéro MDL | MFCD00064328 |
| CAS | 50-81-7 |
| CID PubChem | 54670067 |
| ChEBI | CHEBI:29073 |
| Nom IUPAC | (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one |
| Clé InChI | CIWBSHSKHKDKBQ-DOMZIZNONA-N |
| SMILES | OC[C@H](O)[C@H]1OC(=O)C(O)=C1O |
| Formule moléculaire | C6H8O6 |
Ascorbic Acid (Powder/USP/FCC), Fisher Chemical™
CAS: 50-81-7 Formule moléculaire: C6H8O6 Poids moléculaire (g/mol): 176.12 Numéro MDL: MFCD00064328 Clé InChI: CIWBSHSKHKDKBQ-DOMZIZNONA-N Synonyme: l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin CID PubChem: 54670067 ChEBI: CHEBI:29073 Nom IUPAC: (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one SMILES: OC[C@H](O)[C@H]1OC(=O)C(O)=C1O
| Poids moléculaire (g/mol) | 176.12 |
|---|---|
| Synonyme | l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin |
| Numéro MDL | MFCD00064328 |
| CAS | 50-81-7 |
| CID PubChem | 54670067 |
| ChEBI | CHEBI:29073 |
| Nom IUPAC | (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one |
| Clé InChI | CIWBSHSKHKDKBQ-DOMZIZNONA-N |
| SMILES | OC[C@H](O)[C@H]1OC(=O)C(O)=C1O |
| Formule moléculaire | C6H8O6 |
Pyrogallol (Crystalline/Certified ACS), Fisher Chemical™
CAS: 87-66-1 Formule moléculaire: C6H6O3 Poids moléculaire (g/mol): 126.11 Numéro MDL: MFCD00002192 Clé InChI: WQGWDDDVZFFDIG-UHFFFAOYSA-N Synonyme: pyrogallol,1,2,3-trihydroxybenzene,pyrogallic acid,1,2,3-benzenetriol,fouramine brown ap,fourrine pg,fourrine 85,pyro,c.i. oxidation base 32,piral CID PubChem: 1057 ChEBI: CHEBI:16164 Nom IUPAC: benzene-1,2,3-triol SMILES: OC1=CC=CC(O)=C1O
| Poids moléculaire (g/mol) | 126.11 |
|---|---|
| Synonyme | pyrogallol,1,2,3-trihydroxybenzene,pyrogallic acid,1,2,3-benzenetriol,fouramine brown ap,fourrine pg,fourrine 85,pyro,c.i. oxidation base 32,piral |
| Numéro MDL | MFCD00002192 |
| CAS | 87-66-1 |
| CID PubChem | 1057 |
| ChEBI | CHEBI:16164 |
| Nom IUPAC | benzene-1,2,3-triol |
| Clé InChI | WQGWDDDVZFFDIG-UHFFFAOYSA-N |
| SMILES | OC1=CC=CC(O)=C1O |
| Formule moléculaire | C6H6O3 |
L-Ascorbic Acid (White Crystalline Powder), Fisher BioReagents
CAS: 50-81-7 Formule moléculaire: C6H8O6 Poids moléculaire (g/mol): 176.12 Numéro MDL: MFCD00064328 Clé InChI: CIWBSHSKHKDKBQ-DOMZIZNONA-N Synonyme: l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin CID PubChem: 54670067 ChEBI: CHEBI:29073 Nom IUPAC: (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one SMILES: OC[C@H](O)[C@H]1OC(=O)C(O)=C1O
| Poids moléculaire (g/mol) | 176.12 |
|---|---|
| Synonyme | l-ascorbic acid,ascorbic acid,vitamin c,l-ascorbate,ascorbate,ascorbicap,l +-ascorbic acid,cevitamic acid,ascoltin,hybrin |
| Numéro MDL | MFCD00064328 |
| CAS | 50-81-7 |
| CID PubChem | 54670067 |
| ChEBI | CHEBI:29073 |
| Nom IUPAC | (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one |
| Clé InChI | CIWBSHSKHKDKBQ-DOMZIZNONA-N |
| SMILES | OC[C@H](O)[C@H]1OC(=O)C(O)=C1O |
| Formule moléculaire | C6H8O6 |
D-(+)-Maltose Monohydrate, Fisher BioReagents
CAS: 6363-53-7 Formule moléculaire: C12H24O12 Poids moléculaire (g/mol): 360.31 Numéro MDL: MFCD00149343 Clé InChI: HBDJFVFTHLOSDW-UHFFFAOYNA-N Synonyme: d-+-maltose monohydrate,unii-dm477ee40d,2r,3r,4r,5r-2,3,5,6-tetrahydroxy-4-2r,3r,4s,5s,6r-3,4,5-trihydroxy-6-hydroxymethyl oxan-2-yl oxy hexanal hydrate,beta-maltose monohydrate,d-+-maltosemonohydrate,69-79-4 anhydrous,d +-maltose monohydrate,d-+-maltose monohydrate, puriss.,d-+-maltose monohydrate, analytical standard,d-+-maltose monohydrate, bioxtra Nom IUPAC: 2,3,5,6-tetrahydroxy-4-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}hexanal hydrate SMILES: O.OCC(O)C(OC1OC(CO)C(O)C(O)C1O)C(O)C(O)C=O
| Poids moléculaire (g/mol) | 360.31 |
|---|---|
| Synonyme | d-+-maltose monohydrate,unii-dm477ee40d,2r,3r,4r,5r-2,3,5,6-tetrahydroxy-4-2r,3r,4s,5s,6r-3,4,5-trihydroxy-6-hydroxymethyl oxan-2-yl oxy hexanal hydrate,beta-maltose monohydrate,d-+-maltosemonohydrate,69-79-4 anhydrous,d +-maltose monohydrate,d-+-maltose monohydrate, puriss.,d-+-maltose monohydrate, analytical standard,d-+-maltose monohydrate, bioxtra |
| Numéro MDL | MFCD00149343 |
| CAS | 6363-53-7 |
| Nom IUPAC | 2,3,5,6-tetrahydroxy-4-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}hexanal hydrate |
| Clé InChI | HBDJFVFTHLOSDW-UHFFFAOYNA-N |
| SMILES | O.OCC(O)C(OC1OC(CO)C(O)C(O)C1O)C(O)C(O)C=O |
| Formule moléculaire | C12H24O12 |
2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-carbaldehyde, 97%, Thermo Scientific™
CAS: 38002-88-9 Formule moléculaire: C11H12O2 Poids moléculaire (g/mol): 176.22 Numéro MDL: MFCD04115387 Clé InChI: HGKYVFOYQUSRQN-UHFFFAOYSA-N Synonyme: 2,2-dimethyl-2,3-dihydro-1-benzofuran-7-carbaldehyde,2,2-dimethyl-2,3-dihydrobenzofuran-7-carbaldehyde,7-benzofurancarboxaldehyde, 2,3-dihydro-2,2-dimethyl,2,2-dimethyl-7-formyl-2,3-dihydrobenzofuran,2,2-dimethyl-2,3-dihydro-benzofuran-7-carbaldehyde,2,3-dihydro-2,2-dimethylbenzofuran-7-carbaldehyde,2,2-dimethyl-2,3-dihydrobenzo b furan-7-carbaldehyde,2,3-dihydro-2,2-dimethylbenzofuran-7-carboxaldehyde,2,2-dimethyl-2,3-dihydro-1-benzo b furan-7-carbaldehyde CID PubChem: 2795471 SMILES: CC1(C)CC2=CC=CC(C=O)=C2O1
| Poids moléculaire (g/mol) | 176.22 |
|---|---|
| Synonyme | 2,2-dimethyl-2,3-dihydro-1-benzofuran-7-carbaldehyde,2,2-dimethyl-2,3-dihydrobenzofuran-7-carbaldehyde,7-benzofurancarboxaldehyde, 2,3-dihydro-2,2-dimethyl,2,2-dimethyl-7-formyl-2,3-dihydrobenzofuran,2,2-dimethyl-2,3-dihydro-benzofuran-7-carbaldehyde,2,3-dihydro-2,2-dimethylbenzofuran-7-carbaldehyde,2,2-dimethyl-2,3-dihydrobenzo b furan-7-carbaldehyde,2,3-dihydro-2,2-dimethylbenzofuran-7-carboxaldehyde,2,2-dimethyl-2,3-dihydro-1-benzo b furan-7-carbaldehyde |
| Numéro MDL | MFCD04115387 |
| CAS | 38002-88-9 |
| CID PubChem | 2795471 |
| Clé InChI | HGKYVFOYQUSRQN-UHFFFAOYSA-N |
| SMILES | CC1(C)CC2=CC=CC(C=O)=C2O1 |
| Formule moléculaire | C11H12O2 |
2-Mercaptoethanol (Reagent), Fisher Chemical
CAS: 60-24-2 Formule moléculaire: C2H6OS Poids moléculaire (g/mol): 78.13 Numéro MDL: MFCD00004890 Clé InChI: DGVVWUTYPXICAM-UHFFFAOYSA-N Synonyme: 2-mercaptoethanol,mercaptoethanol,thioglycol,beta-mercaptoethanol,ethanol, 2-mercapto,2-thioethanol,2-hydroxy-1-ethanethiol,thioethylene glycol,2-hydroxyethanethiol,2-hydroxyethyl mercaptan CID PubChem: 1567 ChEBI: CHEBI:41218 Nom IUPAC: 2-sulfanylethan-1-ol SMILES: OCCS
| Poids moléculaire (g/mol) | 78.13 |
|---|---|
| Synonyme | 2-mercaptoethanol,mercaptoethanol,thioglycol,beta-mercaptoethanol,ethanol, 2-mercapto,2-thioethanol,2-hydroxy-1-ethanethiol,thioethylene glycol,2-hydroxyethanethiol,2-hydroxyethyl mercaptan |
| Numéro MDL | MFCD00004890 |
| CAS | 60-24-2 |
| CID PubChem | 1567 |
| ChEBI | CHEBI:41218 |
| Nom IUPAC | 2-sulfanylethan-1-ol |
| Clé InChI | DGVVWUTYPXICAM-UHFFFAOYSA-N |
| SMILES | OCCS |
| Formule moléculaire | C2H6OS |
Ethyl 3-phenylglycidate, 90%, mixture of cis and trans
CAS: 121-39-1 Formule moléculaire: C11H12O3 Poids moléculaire (g/mol): 192.21 Numéro MDL: MFCD00005123 Clé InChI: GOMAKLPNAAZVCJ-UHFFFAOYSA-N CID PubChem: 8469 Nom IUPAC: ethyl 3-phenyloxirane-2-carboxylate SMILES: CCOC(=O)C1C(O1)C2=CC=CC=C2
| Poids moléculaire (g/mol) | 192.21 |
|---|---|
| Numéro MDL | MFCD00005123 |
| CAS | 121-39-1 |
| CID PubChem | 8469 |
| Nom IUPAC | ethyl 3-phenyloxirane-2-carboxylate |
| Clé InChI | GOMAKLPNAAZVCJ-UHFFFAOYSA-N |
| SMILES | CCOC(=O)C1C(O1)C2=CC=CC=C2 |
| Formule moléculaire | C11H12O3 |
1,2-Propanediol, 99+%, for analysis
CAS: 57-55-6 Formule moléculaire: C3H8O2 Poids moléculaire (g/mol): 76.09 Numéro MDL: MFCD00064272 Clé InChI: DNIAPMSPPWPWGF-UHFFFAOYSA-N Synonyme: 1,2-propanediol,propylene glycol,1,2-dihydroxypropane,2-hydroxypropanol,1,2-propylene glycol,methylethyl glycol,methylethylene glycol,monopropylene glycol,isopropylene glycol,dowfrost CID PubChem: 1030 ChEBI: CHEBI:16997 Nom IUPAC: propane-1,2-diol SMILES: CC(CO)O
| Poids moléculaire (g/mol) | 76.09 |
|---|---|
| Synonyme | 1,2-propanediol,propylene glycol,1,2-dihydroxypropane,2-hydroxypropanol,1,2-propylene glycol,methylethyl glycol,methylethylene glycol,monopropylene glycol,isopropylene glycol,dowfrost |
| Numéro MDL | MFCD00064272 |
| CAS | 57-55-6 |
| CID PubChem | 1030 |
| ChEBI | CHEBI:16997 |
| Nom IUPAC | propane-1,2-diol |
| Clé InChI | DNIAPMSPPWPWGF-UHFFFAOYSA-N |
| SMILES | CC(CO)O |
| Formule moléculaire | C3H8O2 |
3-Acetylpyrrole, 97%
CAS: 1072-82-8 Formule moléculaire: C6H7NO Poids moléculaire (g/mol): 109.128 Numéro MDL: MFCD00067759 Clé InChI: KHHSXHXUQVNBGA-UHFFFAOYSA-N Synonyme: 3-acetylpyrrole,1-1h-pyrrol-3-yl ethanone,1-1h-pyrrol-3-yl ethan-1-one,ethanone, 1-1h-pyrrol-3-yl,1-1h-pyrrol-3-yl-ethanone,3-acetyl-1h-pyrrole,3-acetyl pyrrole,pubchem22508,3-acetyl-1h-pyrroline CID PubChem: 2737793 Nom IUPAC: 1-(1H-pyrrol-3-yl)ethanone SMILES: CC(=O)C1=CNC=C1
| Poids moléculaire (g/mol) | 109.128 |
|---|---|
| Synonyme | 3-acetylpyrrole,1-1h-pyrrol-3-yl ethanone,1-1h-pyrrol-3-yl ethan-1-one,ethanone, 1-1h-pyrrol-3-yl,1-1h-pyrrol-3-yl-ethanone,3-acetyl-1h-pyrrole,3-acetyl pyrrole,pubchem22508,3-acetyl-1h-pyrroline |
| Numéro MDL | MFCD00067759 |
| CAS | 1072-82-8 |
| CID PubChem | 2737793 |
| Nom IUPAC | 1-(1H-pyrrol-3-yl)ethanone |
| Clé InChI | KHHSXHXUQVNBGA-UHFFFAOYSA-N |
| SMILES | CC(=O)C1=CNC=C1 |
| Formule moléculaire | C6H7NO |
2-Acetylbenzeneboronic acid, 97%
CAS: 308103-40-4 Formule moléculaire: C8H9BO3 Poids moléculaire (g/mol): 163.97 Numéro MDL: MFCD01321263 Clé InChI: ZKAOVABYLXQUTI-UHFFFAOYSA-N Synonyme: 2-acetylphenyl boronic acid,boronic acid, 2-acetylphenyl,2'-boronoacetophenone,1-2-boronophenyl ethan-1-one,2-acetylbenzeneboronic acid,2-acetylbenzenboronicacid,1-2-dihydroxyboranyl phenyl ethan-1-one,2-acetylphenylboronicacid,pubchem5373,acmc-1agh6 CID PubChem: 2734309 Nom IUPAC: (2-acetylphenyl)boronic acid SMILES: CC(=O)C1=CC=CC=C1B(O)O
| Poids moléculaire (g/mol) | 163.97 |
|---|---|
| Synonyme | 2-acetylphenyl boronic acid,boronic acid, 2-acetylphenyl,2'-boronoacetophenone,1-2-boronophenyl ethan-1-one,2-acetylbenzeneboronic acid,2-acetylbenzenboronicacid,1-2-dihydroxyboranyl phenyl ethan-1-one,2-acetylphenylboronicacid,pubchem5373,acmc-1agh6 |
| Numéro MDL | MFCD01321263 |
| CAS | 308103-40-4 |
| CID PubChem | 2734309 |
| Nom IUPAC | (2-acetylphenyl)boronic acid |
| Clé InChI | ZKAOVABYLXQUTI-UHFFFAOYSA-N |
| SMILES | CC(=O)C1=CC=CC=C1B(O)O |
| Formule moléculaire | C8H9BO3 |
4'-Methylacetophenone, 96%
CAS: 122-00-9 Formule moléculaire: C9H10O Poids moléculaire (g/mol): 134.18 Numéro MDL: MFCD00008751 Clé InChI: GNKZMNRKLCTJAY-UHFFFAOYSA-N Synonyme: 4'-methylacetophenone,p-methylacetophenone,1-p-tolyl ethanone,1-p-tolylethanone,melilotal,4-methylacetophenone,4-acetyltoluene,1-4-methylphenyl ethanone,methyl p-tolyl ketone,p-acetotoluene CID PubChem: 8500 Nom IUPAC: 1-(4-methylphenyl)ethanone SMILES: CC(=O)C1=CC=C(C)C=C1
| Poids moléculaire (g/mol) | 134.18 |
|---|---|
| Synonyme | 4'-methylacetophenone,p-methylacetophenone,1-p-tolyl ethanone,1-p-tolylethanone,melilotal,4-methylacetophenone,4-acetyltoluene,1-4-methylphenyl ethanone,methyl p-tolyl ketone,p-acetotoluene |
| Numéro MDL | MFCD00008751 |
| CAS | 122-00-9 |
| CID PubChem | 8500 |
| Nom IUPAC | 1-(4-methylphenyl)ethanone |
| Clé InChI | GNKZMNRKLCTJAY-UHFFFAOYSA-N |
| SMILES | CC(=O)C1=CC=C(C)C=C1 |
| Formule moléculaire | C9H10O |
2-Chloromethyl-3,4-dimethoxypyridine hydrochloride, 97%, Thermo Scientific Chemicals
CAS: 72830-09-2 Formule moléculaire: C8H11Cl2NO2 Poids moléculaire (g/mol): 224.081 Numéro MDL: MFCD02181083 Clé InChI: YYRIKJFWBIEEDH-UHFFFAOYSA-N Synonyme: 2-chloromethyl-3,4-dimethoxypyridine hydrochloride,2-chloromethyl-3,4-dimethoxy pyridine hydrochloride,2-chloromethyl-3,4-dimethoxypyridinium chloride,2-chloromethyl-3,4-dimethoxypyridinium hydrochloride,2-chloromethyl-3 pound not4-dimethoxy-pyridine hydrochloride,2-chloromethyl-3,4-dimethoxy pyridine hcl,3,4-dimethoxy-2-chloromethylpyridine hydrochloride,2-chloromethyl-3,4-dimethoxypyridine;hydrochloride,2-chloromethyl-3,4-dimethoxy-pyridine hydrochloride CID PubChem: 16216928 Nom IUPAC: 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride SMILES: COC1=C(C(=NC=C1)CCl)OC.Cl
| Poids moléculaire (g/mol) | 224.081 |
|---|---|
| Synonyme | 2-chloromethyl-3,4-dimethoxypyridine hydrochloride,2-chloromethyl-3,4-dimethoxy pyridine hydrochloride,2-chloromethyl-3,4-dimethoxypyridinium chloride,2-chloromethyl-3,4-dimethoxypyridinium hydrochloride,2-chloromethyl-3 pound not4-dimethoxy-pyridine hydrochloride,2-chloromethyl-3,4-dimethoxy pyridine hcl,3,4-dimethoxy-2-chloromethylpyridine hydrochloride,2-chloromethyl-3,4-dimethoxypyridine;hydrochloride,2-chloromethyl-3,4-dimethoxy-pyridine hydrochloride |
| Numéro MDL | MFCD02181083 |
| CAS | 72830-09-2 |
| CID PubChem | 16216928 |
| Nom IUPAC | 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride |
| Clé InChI | YYRIKJFWBIEEDH-UHFFFAOYSA-N |
| SMILES | COC1=C(C(=NC=C1)CCl)OC.Cl |
| Formule moléculaire | C8H11Cl2NO2 |