| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,3,4,5-四氢-2,8-二甲基-5-[2-(6-甲基吡啶-3-基)乙基]-1H-吡啶并[4,3-b]吲哚 | dimebon | 3613-73-8 | C21H25N3 |
| 2,3,4,5-四氢-2,2-二甲氧基-1,2-苯并噁硅杂庚英 | isoconazole | 322764-97-6 | C18H14Cl4N2O |
| 2,3,4,5-四氢-1H-苯并[d]二氮杂卓-7-醇 | 2,3,4,5-tetrahydro-1H-3-benzazepin-7-ol | 36133-00-3 | C10H13NO |
| 2,3,4,5-四氢-1,5-苯并氧氮杂卓 | 1,2,3,5-tetrahydrobenzo[e][1,4]oxazepine | 3693-06-9 | C9H11NO |
| 2,3,4,5-四氟苯酚 | 2,3,4,5-tetrafluorophenol | 3467-85-4 | C6H2F4O |
| 2,3,4,5-四氟吡啶 | 2,3,4,5-tetrafluoropyridine | 3512-16-1 | C5HF4N |
| 2,3,4,5-四[4-(3,7-二甲基辛基)苯基]环戊-2,4-二烯-1-酮 | 2,3,4,5-tetrakis(4-(3,7-dimethyloctanyl)phenyl)cyclopentadienone | 347390-26-5 | C69H100O |
| 2,3,4,5,6-五羟基己酰胺 | D-gluconamide | 3118-85-2 | C6H13NO6 |
| 2,3,4,5,6-五羟基己烷酰肼 | 2,3,4,5,6-Pentahydroxy-hexanoic acid hydrazide | 3868-12-0 | C6H14N2O6 |
| 2,3,4,5,6-五甲基苯甲酸乙酯 | 2,3,4,5,6-Pentamethyl-benzoic acid ethyl ester | 33499-45-5 | C14H20O2 |
| 2,3,4,5,6-五甲基吡啶 | pentamethylpyridine | 3748-83-2 | C10H15N |
| 2,3,4,5,6-五溴联苯醚 | 2,3,4,5,6-pentabromodiphenyl ether | 32534-81-9 | C12H5Br5O |
| 2,3,4,5,6-五氟回香醚 | Pentafluoroanisole | 389-40-2 | C7H3F5O |
| 2,3,4,5,6-五氟-N-(4-甲氧基苯基)苯胺 | 2,3,4,5,6-pentafluoro-N-(4-methoxyphenyl)aniline | 36475-51-1 | C13H8F5NO |
| 2,3,4,5,6-五氟-N-(2-苯基乙基)苯甲酰胺 | 2,3,4,5,6-Pentafluoro-N-phenethyl-benzamide | 38842-14-7 | C15H10F5NO |
| 2,3,4,5,6-五(五氟乙基)-1-氮杂双环[2.2.0]己-2,5-二烯 | Pentakis-(pentafluorethyl)-1-azabicyclo<2,2,0>hexa-2,5-dien | 30567-91-0 | C15F25N |
| 2,3,4,5,6-alpha-D-葡萄糖五乙酸酯 | Penta-O-acetyl-aldehydo-D-glucose | 3891-59-6 | C16H22O11 |
| 2,3,4,4a,5,6-六氢-10,11-二甲氧基-1H,8H-吡啶并(1',2':3,4)嘧啶并(2,1-b)喹唑啉-8-酮 | 10,11-Dimethoxy-2,3,4,4a,5,6-hexahydro-1H,8H-pyrido<1',2':3,4>-pyrimidino<2,1-b>chinazolin-8-on | 33852-17-4 | C17H21N3O3 |
| 2,3,4,4-四甲基-2-环戊烯-1-酮 | 2,3,4,4-tetramethyl-2-cyclopentenone | 30434-70-9 | C9H14O |
| 2,3,4,4-四甲基-2-环己烯-1-醇 | 2,3,4,4-Tetramethylcyclohexen-2-ol-1 | 3019-82-7 | C10H18O |
| 2,3,4,4'-四羟基二苯甲酮 | 2,3,4,4'-tetrahydroxybenzophenone | 31127-54-5 | C13H10O5 |
| 2,3,4,4'-四氯联苯 | 2,3,4,4'-tetrachlorobiphenyl | 33025-41-1 | C12H6Cl4 |
| 2,3,4,3',4'-戊-O-乙酰基蔗糖 | 2,3,4,3',4'-penta-O-acetylsucrose | 34382-02-0 | C22H32O16 |
| 2,3,4'-三羟基-3',5'-二甲氧基苯丙酮 | 2,3-Dihydroxy-1-(4-hydroxy-3,5-dimethoxyphenyl)propan-1-one | 33900-74-2 | C11H14O6 |
| 2,3,4'-三氯联苯 | 2,3,4'-trichlorobiphenyl | 38444-85-8 | C12H7Cl3 |
| 2,3,3’,4,4’,5-六氯联苯 | 2,3,3',4,4',5-Hexachlorobiphenyl | 38380-08-4 | C12H4Cl6 |
| 2,3,3a,4,5,6,7,7a-八氢-1H-茚-5-醇 | 5-Hydroxy-perhydroindan | 3716-38-9 | C9H16O |
| 2,3,3-三甲基-5-甲氧基-3H-吲哚 | 5-Methoxy-2,3,3-trimethyl-3H-indole | 31241-19-7 | C12H15NO |
| 2,3,3-三甲基-1-苯基-1,2-二氢茚 | 1,1,2-Trimethy-3-phenyl-indan | 33508-02-0 | C18H20 |
| 2,3,3-三氯丙烯酰胺 | Trichlor-acrylsaeure-amid | 3880-18-0 | C3H2Cl3NO |
| 2,3,3-三氯丙-2-烯醛 | trichloro-acrylaldehyde | 3787-28-8 | C3HCl3O |
| 2,3,3-三氯丁-1-烯 | 2,3,3-trichloro-1-butene | 39083-23-3 | C4H5Cl3 |
| 2,3,3-三氯-丁酸 | 2,3,3-trichloro-butyric acid | 39782-45-1 | C4H5Cl3O2 |
| 2,3,3-三氯-2-丙烯-1-醇 | 2,3,3-trichloro-2-propen-1-ol | 3266-39-5 | C3H3Cl3O |
| 2,3,3-三氟丙-2-烯酸乙酯 | ethyl trifluoroacrylate | 392-68-7 | C5H5F3O2 |
| 2,3,3,4,4-五氯二苯酚 | 2,3,3',4,4'-pentachlorobiphenyl | 32598-14-4 | C12H5Cl5 |
| 2,3,3,3-四氟丙酸甲酯 | methyl 2,3,3,3-tetrafluoropropanoate | 382-93-4 | C4H4F4O2 |
| 2,3,3,3-四氟丙酸乙酯 | ethyl 2,3,3,3-tetrafluoropropionate | 399-92-8 | C5H6F4O2 |
| 2,3,3,3-四氟丙酸 | 2H-tetrafluoropropionic acid | 359-49-9 | C3H2F4O2 |
| 2,3,3,3-四氟-2-(三氟甲基)丙酸 | heptafluoro-isobutyric acid | 335-10-4 | C4HF7O2 |
| 2,3,3'-三氯联苯 | 2,3,3'-trichlorobiphenyl | 38444-84-7 | C12H7Cl3 |
| 2,3,3',5,5'-五氯联苯 | 2,3,3',5,5'-pentachlorobiphenyl | 39635-32-0 | C12H5Cl5 |
| 2,3,3',4,5,5'-六氯联苯2 | 2,3,3',4,4',5-hexachlorobiphenyl | 39635-35-3 | C12H4Cl6 |
| 2,3,3',4,4'-五溴二苯醚 | 2,3,3',4,4'-Pentabromodiphenyl ether | 373594-78-6 | C12H5Br5O |
| 2,3,3',4,4',5,5'-七氯联苯 | 2,3,3',4,4',5,5'-heptachlorobiphenyl | 39635-31-9 | C12H3Cl7 |
| 2,3,3',4'-联苯四甲酸二酐 | 2,3,3',4'-biphenyltetracarboxylic dianhydride | 36978-41-3 | C16H6O6 |
| 2,3,3',4',6-五氯联苯 | 2,3,3',4',6-Pentachlorobiphenyl | 38380-03-9 | C12H5Cl5 |
| 2,3,3',4',5,5'-六氯联苯 | 2,3,3',4',5,5'-hexachlorobiphenyl | 39635-34-2 | C12H4Cl6 |
| 2,3,16,17-四溴-6,7,9,10,12,13,20,21,23,24,26,27-十二烷基二苯并[B,N][1,4,7,10,13,,16,19,22]八氧杂环四氢己酸 | 4,4',5,5'-tetrabromodibenzo[24]crown-8 ether | 302929-56-2 | C24H28Br4O8 |
| 2,3'-联吡啶氮氧化物 | 2-(3'-pyridinyl)pyridine N'-oxide | 39182-28-0 | C10H8N2O |