| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2H-吡咯,3,4-二氢-4-[(4-甲氧苯基)亚甲基]-,(4E)- | melanoxetin | 489-58-7 | C15H10O7 |
| 2H-二苯并呋喃-3-羰酰氯 | chlorure d'acide chromene carboxylique-3 | 41873-72-7 | C10H7ClO2 |
| 2H-[1,3]恶唑并[5,4-e]吲唑 | 2h-Pyrazolo[3,4-g]benzoxazole | 42318-51-4 | C8H5N3O |
| 2H-[1,3]恶唑并[4,5-f]异吲哚 | 2h-Pyrrolo[3,4-f]benzoxazole | 42394-83-2 | C9H6N2O |
| 2H-[1,3]噻唑并[5,4-g]吲哚 | 2h-Pyrrolo[2,3-e]benzothiazole | 403715-76-4 | C9H6N2S |
| 2H-[1,3]噻唑并[5,4-g][1,4]苯并噻嗪 | 2H-[1,3]thiazolo[5,4-g][1,4]benzothiazine | 42395-64-2 | C9H6N2S2 |
| 2H-[1,3]噻唑并[5,4-e]吲哚 | 2h-Pyrrolo[2,3-g]benzothiazole | 42852-43-7 | C9H6N2S |
| 2H-[1,3]噻唑并[5,4-a]咔唑 | 2h-Thiazolo[5,4-a]carbazole | 42395-69-7 | C13H8N2S |
| 2H-[1,3]噻唑并[4,5-f][1,4]苯并噻嗪 | 2H-[1,3]thiazolo[4,5-f][1,4]benzothiazine | 42395-61-9 | C9H6N2S2 |
| 2H-[1,3]噻唑并[4,5-e]异吲哚 | 2h-Pyrrolo[3,4-e]benzothiazole | 403715-77-5 | C9H6N2S |
| 2H-[1,2]恶唑并[5,4-b]吡咯并[3,4-D]吡啶 | 2h-Isoxazolo[5,4-b]pyrrolo[3,4-d]pyridine | 407624-71-9 | C8H5N3O |
| 2H-1-苯并吡喃-2-酮,八氢-,反- | (+/-)-(4aR,8aR)-octahydro-2H-chromen-2-one | 4430-31-3 | C9H14O2 |
| 2H-1-苯并吡喃-2,4(3H)-二酮 | 3H-chromene-2,4-dione | 4438-85-1 | C9H6O3 |
| 2H-1,2,3-噻唑-2-乙酸乙酯 | 2-(2H-1,2,3-triazol-2-yl) ethyl acetate | 4320-90-5 | C6H9N3O2 |
| 2H-1,2,3-噻唑-2-乙酸 | N<sup>2</sup>-Carboxymethyl-1,2,3-triazol | 4320-91-6 | C4H5N3O2 |
| 2H,8H-苯并[1,2-b:5,4-b']二吡喃-2,8-二酮 | 2H,8H-Benzo<1,2-b:5,4-b'>bispyran-2,8-dione | 4413-05-2 | C12H6O4 |
| 24S,25-二羟基维他命 D3 | (3S,6R)-6-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(5S)-5-hydroxy-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-2-methylheptane-2,3-diol | 40013-87-4 | C27H44O3 |
| 24-二氯-5-甲氧基苯硼酸 | 2,4-dichloro-5-methoxyphenylboronic acid | 431942-67-5 | C7H7BCl2O3 |
| 24,25-二羟基维生素 D3 | 24,25-Dihydroxyvitamin D3 | 40013-87-4 | C27H44O3 |
| 22,23-二氢菜子甾醇 | campesterol | 4651-51-8 | C28H48O |
| 21-羟基-4-孕烯-3,20-二酮 21-葡糖苷 | deoxycorticosterone 21-D-glucoside | 4319-56-6 | C27H40O8 |
| 21-叠氮基-4,7,10,13,16,19-六氧杂二十一烷酸叔丁酯 | tert-butyl 1-azido-3,6,9,12,15,18-hexaoxahenicosan-21-oate | 406213-76-1 | C19H37N3O8 |
| 21-乙酰氧基-9Β,11Β-环氧-17Alpha-羟基孕甾-4-烯-3,20-二酮 | 17-Hydroxy-3,20-dioxo-9,11-epoxypregn-4-en-21-yl acetate | 4383-30-6 | C23H30O6 |
| 21-乙酰氧基-6Α,9Α-二氟-11Β,16Α,17Α,三羟基孕甾-1,4-二烯-3,20-二酮 | 6,9-Difluoro-11,16,17-trihydroxy-3,20-dioxopregna-1,4-dien-21-yl acetate | 4306-83-6 | C23H28F2O7 |
| 21-[(2,3,4,6-四-O-乙酰基-alpha-D-吡喃葡萄糖基)氧基]孕甾-4-烯-3,20-二酮 | 21-((2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl)oxy)pregn-4-ene-3,20-dione | 41092-37-9 | C35H48O12 |
| 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 |