| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 20,21-二去甲氢化可的松 | 11β,17α-dihydroxy-4-androsten-3-one | 4484-94-0 | C19H28O3 |
| 2.6-二环己基苯酚 | 2,6-dicyclohexylphenol | 4821-19-6 | C18H26O |
| 2.4(1H.3H)-嘧啶二酮 | 1,3-dimethyluracil | 4874-13-9 | C6H10N2O2 |
| 2-(联苯基-3-基)吡啶 | 2-([1,1'-biphenyl]-3-yl)pyridine | 458541-39-4 | C17H13N |
| 2-(二叔丁基膦甲基)吡啶 | 2-((di-t-butylphosphino)methyl)pyridine | 494199-72-3 | C14H24NP |
| 2-(3-氰基苯基)-2-甲基丙酸 | 2-(3-Cyanophenyl)-2-methylpropanoic acid | 445003-63-4 | C11H11NO2 |
| 2-锂-1-甲氧基萘 | 2-lithio-1-methoxynaphthalene | 43029-66-9 | C11H9LiO |
| 2-金刚烷酮肟 | 2-Adamantanone oxime | 4500-12-3 | C10H15NO |
| 2-重氮蒽醌 | 2-diazoanthraquinone | 46871-20-9 | C14H7N2O2 |
| 2-重氮基-1-[4-硝基苯基]-乙酮 | 2-diazo-1-(4-nitrophenyl)ethanone | 4203-31-0 | C8H5N3O3 |
| 2-重氮基-1-(1,3-噻唑-5-基)乙酮 | 2-diazo-1-thiazol-5-yl-ethanone | 494210-16-1 | C5H3N3OS |
| 2-醛基苯甲酸甲酯 | methyl o-formylbenzoate | 4122-56-9 | C9H8O3 |
| 2-醛基噻吩-3-硼酸 | 2-formylthiophene-3-boronic acid | 4347-31-3 | C5H5BO3S |
| 2-醛基-5-甲氧基苯硼酸 | (2-formyl-5-methoxyphenyl)boronic acid | 40138-18-9 | C8H9BO4 |
| 2-醛基-5-甲基苯硼酸 | (2-formyl-5-methylphenyl)boronic acid | 40138-17-8 | C8H9BO3 |
| 2-酮辛酸甲酯 | methyl 2-ketooctanoate | 41172-04-7 | C9H16O3 |
| 2-酮戊二酸镁 | —— | 42083-41-0 | C5H6MgO5 |
| 2-辛烯基琥珀酸酐 | dihydro-3-(2-octen-1-yl)-2,5-furandione | 42482-06-4 | C12H18O3 |
| 2-辛烯-4-醇 | 2-octen-4-ol | 4798-61-2 | C8H16O |
| 2-辛烯-4-酮 | oct-2-en-4-one | 4643-27-0 | C8H14O |
| 2-辛炔酰肼 | 2-octynoic acid hydrazide | 42596-60-1 | C8H14N2O |
| 2-辛基环戊酮 | 2-octyl-cyclopentanone | 40566-23-2 | C13H24O |
| 2-辛基十二烷酸 | 2-octyl-dodecanoic acid | 40596-46-1 | C20H40O2 |
| 2-辛基十二D-吡喃木糖苷 | 2-Octyldodecyl-D-xylopyranoside | 423772-95-6 | C25H50O5 |
| 2-辛基-gamma-溴乙酰乙酸酯 | 2-Octyl-γ-bromacetoacetat | 40529-35-9 | C12H21BrO3 |
| 2-辛基-1-癸醇 | 2-octyldecan-1-ol | 45235-48-1 | C18H38O |
| 2-萘烷酮 | 2-decalone | 4832-17-1 | C10H16O |
| 2-萘基甲基甲基醚 | 2-(methoxymethyl)naphthalene | 42101-92-8 | C12H12O |
| 2-萘乙酸乙酸苯酯 | 2-naphthylacetic phenylacetate | 40535-69-1 | C19H16O2 |
| 2-萘乙烯基酮 | 1-(naphthalen-2-yl)prop-2-en-1-one | 4452-06-6 | C13H10O |
| 2-萘-2-基-1H-吡咯并[2,3-c]吡啶 | 2-naphthalen-2-yl-1<i>H</i>-pyrrolo[2,3-<i>c</i>]pyridine | 40068-81-3 | C17H12N2 |
| 2-菲甲酸 | phenanthrene-2-carboxylic acid | 40452-20-8 | C15H10O2 |
| 2-茚醇 | indan-2-ol | 4254-29-9 | C9H10O |
| 2-苯胺甲基吡啶 | N-phenylpyridine-2-methylamine | 4329-81-1 | C12H12N2 |
| 2-苯胺环己酮 | 2-(phenylamino)cyclohexanone | 4504-43-2 | C12H15NO |
| 2-苯胺基-5-羟基-3-异丙基-6-甲基-[1,4]苯醌 | 2-ethoxy-<i>N</i><sup>4</sup>-<i>p</i>-tolyl-<i>p</i>-phenylenediamine | 408510-26-9 | C15H18N2O |
| 2-苯胺基-2H-异吲哚-1,3-二酮 | N-anilinophthalimide | 4870-16-0 | C14H10N2O2 |
| 2-苯胺基-2-(4-氰基苯基)乙酸乙酯 | ethyl 2-(4-cyanophenyl)-2-(phenylamino)acetate | 40577-15-9 | C17H16N2O2 |
| 2-苯胺嘧啶-5-羧酸 | 2-(phenylamino)pyrimidine-5-carboxylic acid | 450368-25-9 | C11H9N3O2 |
| 2-苯甲酰氧基苯甲酸 | o-benzoyloxybenzoic acid | 4578-66-9 | C14H10O4 |
| 2-苯甲酰氧基乙硫酰胺 | 2-benzoyloxythioacetamide | 40516-65-2 | C9H9NO2S |
| 2-苯甲酰基丙二腈 | 2-benzoylmalononitrile | 46177-21-3 | C10H6N2O |
| 2-苯甲酰基-4-溴苯甲酸 | 2-benzoyl-4-bromobenzoic acid | 412299-83-3 | C14H9BrO3 |
| 2-苯甲酰基-4-氯-5,5-二甲基-1,3-环己烷二酮 | 2-Benzoyl-4-chloro-5,5-dimethylcyclohexane-1,3-dione | 412940-85-3 | C15H15ClO3 |
| 2-苯甲酰基-3-氧代-3-苯基丙酸乙酯 | ethyl 2-benzoyl-3-oxo-3-phenylpropionate | 4850-82-2 | C18H16O4 |
| 2-苯甲酰-2,4-二氯乙酰苯胺 | 5-chloro-2-(chloroacetylamino)benzophenone | 4016-85-7 | C15H11Cl2NO2 |
| 2-苯氧基苯甲酸乙酯 | ethyl 2-phenoxybenzoate | 41755-76-4 | C15H14O3 |
| 2-苯氧基苯甲酰肼 | 2-phenoxybenzoic acid hydrazide | 43038-37-5 | C13H12N2O2 |
| 2-苯氧基苯甲酰氯 | 2-phenoxybenzoyl chloride | 40501-36-8 | C13H9ClO2 |
| 2-苯氧基苯丙酸 | 3-(2-phenoxy-phenyl)-propionic acid | 40492-92-0 | C15H14O3 |