| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4,5-二氨基-萘-2-磺酸 | tert-butyl (3S,6R,7S,8R)-3,7-bis[[tert-butyl(dimethyl)silyl]oxy]-4,4,6,8-tetramethyl-5,9-dioxononanoate | 457623-13-1 | C29H58O6Si2 |
| 4,5-二氨基-6-硫尿嘧啶 | 2-Hydroxy-4-mercapto-5,6-diamino-pyrimidin | 40848-33-7 | C4H6N4OS |
| 4,5-二氨基-6-氯嘧啶 | 6-chloro-4,5-diaminopyrimidine | 4316-98-7 | C4H5ClN4 |
| 4,5-二氨基-6-氯-2-苯基嘧啶 | 6-chloro-2-phenylpyrimidine-4,5-diamine | 424830-76-2 | C10H9ClN4 |
| 4,5-二氨基-1H-吡唑-1-乙酸 | 4,5-Diamino-1H-pyrazole-1-acetic acid | 439902-04-2 | C5H8N4O2 |
| 4,5-二氢-5-[(苯基硫代)甲基]-2-恶唑胺 | 5-phenylsulfanylmethyl-4,5-dihydro-oxazol-2-ylamine | 41136-03-2 | C10H12N2OS |
| 4,5-二氢-5,5-二甲基-4-(2-甲基-1-丙烯基)呋喃-2(3H)-酮 | pyrocin | 473-50-7 | C10H16O2 |
| 4,5-二氢-3-(4-羟基苯基)-5-异恶唑乙酸甲酯 | methyl 2-(3-(4-hydroxyphenyl)-4,5-dihydroisoxazol-5-yl)acetate | 478336-92-4 | C12H13NO4 |
| 4,5-二氢-2-甲基-4-[2-(4-辛基苯基)乙基]-4-恶唑甲醇 | {2-methyl-4-[2-(4-octylphenyl)ethyl]-4,5-dihydro-1,3-oxazol-4-yl}methanol | 402616-28-8 | C21H33NO2 |
| 4,5-二氢-2-(2-噻吩)-1H-咪唑 | 2-(thiophen-2-yl)-4,5-dihydro-1H-imidazole | 45753-18-2 | C7H8N2S |
| 4,5-二氟-2-甲氧基苯甲酸 | 4,5-difluoro-2-methoxybenzoic acid | 425702-18-7 | C8H6F2O3 |
| 4,5-二氟-2-甲氧基苯甲腈 | 4,5-difluoro-2-methoxybenzonitrile | 425702-28-9 | C8H5F2NO |
| 4,5-二乙氧基-3-氟-1,2-邻苯二甲腈 | 4,5-diethoxy-3-fluorophthalonitrile | 474554-45-5 | C12H11FN2O2 |
| 4,5-二乙氧基-2-硝基苯甲酸乙酯 | 4,5-diethoxy-2-nitrobenzoic acid ethyl ester | 460750-26-9 | C13H17NO6 |
| 4,5-二-吗啉-4-基-[1,2]对苯醌 | 4,5-dimorpholino-[1,2]benzoquinone | 4608-10-0 | C14H18N2O4 |
| 4,5-二(亚甲基)-1,3-二氧戊环 | 4,5-Dimethylen-[1,3]dioxolan | 4362-68-9 | C5H6O2 |
| 4,5,7-三羟基-4-甲氧基-3-苯基香豆素 | 4,5,7-trihydroxy-3-(4-methoxy-phenyl)-coumarin | 4376-81-2 | C16H12O6 |
| 4,5,7-三羟基-3-苯基香豆素 | 4,5,7-Trihydroxy-3-phenyl-coumarin | 4222-02-0 | C15H10O5 |
| 4,5,6-三甲氧基-1-甲基-1H-吲哚-2-羧酸 | N-methyl-4,5,6-trimethoxyindole-2-carboxylic Acid | 481074-71-9 | C13H15NO5 |
| 4,5,6-三甲氧基-1(3h)-异苯并呋喃酮 | 4,5,6-trimethoxyphthalide | 4087-80-3 | C11H12O5 |
| 4,5,6-三氨基-1-甲基-2(1H)-嘧啶酮 | 4,5,6-Triamino-2-oxo-3-methyl-dihydro-pyrimidin | 45864-27-5 | C5H9N5O |
| 4,5,6-三乙氧基-7-硝基-1(3H)-异苯并呋喃酮 | 7-nitro-4,5,6-triethoxyphthalide | 4995-54-4 | C14H17NO7 |
| 4,5,6,7-四氯-3,3-二(1-乙基-2-甲基-1H-吲哚-3-基)苯酞 | 4,5,6,7-tetrachloro-3,3-bis-(1-ethyl-2-methyl-indol-3-yl)-3<i>H</i>-isobenzofuran-1-one | 41621-86-7 | C30H24Cl4N2O2 |
| 4,5,6,7-四氯-1-亚氨基-1H-异吲哚-3-胺 | 4,5,6,7-tetrachloro-3-imino-3H-isoindol-1-ylamine | 40360-28-9 | C8H3Cl4N3 |
| 4,5,6,7-四氢苯并[B]噻吩二甲酸 | 4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylic acid | 40133-07-1 | C9H10O2S |
| 4,5,6,7-四氢吡唑并[1,5-a]嘧啶-3-甲醛 | 4,5,6,7-Tetrahydropyrazolo[1,5-a]pyrimidine-3-carbaldehyde | 474957-13-6 | C7H9N3O |
| 4,5,6,7-四氢-4-苯并呋喃 | 4,5,6,7-tetrahydrobenzofuran | 42768-88-7 | C8H10O |
| 4,5,6,7-四氢-4-(4-甲氧基苯基)-3H-咪唑并[4,5-c]吡啶 | 4-(4-methoxyphenyl)-4,5,6,7-tetrahydro-3H-imidazo[4,5-c]pyridine | 4875-49-4 | C13H15N3O |
| 4,5,6,7-四氢-2H-吲唑-3-胺 | 4,5,6,7-tetrahydro-2H-indazol-3-amine | 41832-27-3 | C7H11N3 |
| 4,5,6,7-四氢-1H-苯并咪唑-2-胺 | 2-Amino-4,5,6,7-tetrahydro-benzimidazol | 41358-95-6 | C7H11N3 |
| 4,5,6,7-四氢-1H-咪唑并[4,5-c]吡啶-6-羧酸 | Spinacine | 495-77-2 | C7H9N3O2 |
| 4,5,6,7-四氢-1H-吲唑-3-羧酸乙酯 | ethyl 4,5,6,7-tetrahydro-1H-indazole-3-carboxylate | 4492-02-8 | C10H14N2O2 |
| 4,5,6,7-四氢-1H-吡唑并[4,3-c]吡啶 | 4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine | 410544-19-3 | C6H9N3 |
| 4,5,6,7-四氢-1,3-苯并噻唑-2-硫醇 | 4,5,6,7-tetrahydrobenzo[d]thiazole-2-thiol | 42937-91-7 | C7H9NS2 |
| 4,5,6,7-四氢-1,3-苯并噻唑 | 4,5-Tetramethylen-thiazol | 4433-49-2 | C7H9NS |
| 4,5,6,7,8,9-六氢环辛并[c][1,2]恶唑 | 3,4-Hexamethylen-isoxazol | 4734-91-2 | C9H13NO |
| 4,5,6,7,8,9-六氢环辛基[b]噻吩-2-羧酸 | 4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-2-carboxylic acid | 40133-09-3 | C11H14O2S |
| 4,5'-二甲基异补骨脂素 | 4,5'-dimethylangelicin | 4063-41-6 | C13H10O3 |
| 4,4′-双(巯甲基)联苯 | 4,4'-bis(mercaptomethyl)biphenyl | 43012-19-7 | C14H14S2 |
| 4,4’-联苯醌 | diphenoquinone | 494-72-4 | C12H8O2 |
| 4,4’-二(溴甲基)二苯醚 | 4,4'-oxybis-((bromomethyl)benzene) | 4542-75-0 | C14H12Br2O |
| 4,4’-[(2-氯苯基)亚甲基(乙)烯]-N,N-二甲基苯胺 | (2-chloro-phenyl)-bis-(4-dimethylamino-phenyl)-methane | 41573-36-8 | C23H25ClN2 |
| 4,4’-(1,6-己二氧基)二苯胺 | 1,6-bis-(4-aminophenoxy)-hexane | 47244-09-7 | C18H24N2O2 |
| 4,4’,4’-三甲氧基苯甲基氯 | 4,4',4''-trimethoxytrityl chloride | 49757-42-8 | C22H21ClO3 |
| 4,4a,5,6,7,8-六氢-4a,8-二甲基萘-2(3H)-酮 | rac-4a,8-dimethyl-3,4,4a,5,6,7,8-heptahydronaphthalen-2-one | 4071-63-0 | C12H18O |
| 4,4-哌啶二醇盐酸盐 | piperidine-4,4-diol hydrochloride | 40064-34-4 | C5H11NO2*ClH |
| 4,4-二苯基环己醇 | 4,4-diphenyl-cyclohexanol | 42420-85-9 | C18H20O |
| 4,4-二苯基环己酮 | 4,4-diphenylcyclohexan-1-one | 4528-68-1 | C18H18O |
| 4,4-二苯基-2-环己烯-1-酮 | 4,4-diphenyl-2-cyclohexen-1-one | 4528-64-7 | C18H16O |
| 4,4-二碘二苯砜 | 4,4'-Diioddiphenylsulfon | 40915-22-8 | C12H8I2O2S |