| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4,5-二氢-5alpha-甲氧基D-(-)-炔诺孕酮 | levonorgestrel impurity O | 155683-60-6 | C22H32O3 |
| 4,5-二氢-4-[[4-甲基-3-[(苯基氨基)磺基基]苯基]偶氮]-5-羰基-1-(4-磺酸根苯基)-1H-吡唑-3-羧酸氢钠 | isopropyl undecanoate | 50638-98-7 | C14H28O2 |
| 4,5-二氢-2-[[2-异丙基-5-甲基苯氧基]甲基]-1H-咪唑单盐酸盐 | hydrochloride salt of tymazoline | 28120-03-8 | C14H20N2O*ClH |
| 4,5,6-三甲基-2-(2-甲基-丙烯基)-环己-3-烯甲醛 | 4,5,6-trimethyl-2-(2-methyl-propenyl)-cyclohex-3-enecarbaldehyde | 92368-84-8 | C14H22O |
| 4,5,5-三氟-4-戊烯酸 | 4,5,5-trifluoropent-4-enoic acid | 110003-22-0 | C5H5F3O2 |
| 4,5,5,6,6,6-六氟-4-(三氟甲基)己酸 | 4,5,5,6,6,6-hexafluoro-4-(trifluoromethyl)hexanoic Acid | 239463-95-7 | C7H5F9O2 |
| 4,5,5,5-四氟-4-三氟甲基-2-戊酸 | 4,5,5,5-Tetrafluoro-4-(trifluoromethyl)pent-2-enoic acid | 243139-64-2 | C6H3F7O2 |
| 4,5,5,5-四氟-4-(三氟甲基)戊酸 | 4,5,5,5-tetrafluoro-4-(trifluoromethyl)pentanoic acid | 243139-62-0 | C6H5F7O2 |
| 4,5,5,5-四氟-4-(七氟丙氧基)戊酸 | 4,4,5,5-Tetrafluoro-5-(1,2,2,2-tetrafluoro-1-trifluoromethyl-ethoxy)-pentanoic acid | 28793-36-4 | C8H5F11O3 |
| 4,4二氟丁炔酸乙酯 | ethyl 4,4-difluorobut-2-ynoate | 129922-56-1 | C6H6F2O2 |
| 4,4a-二甲基-6-丙-2-亚基-2,3,4,5,7,8-六氢萘-2-醇 | 2,3,4,4a,5,6,7,8-Octahydro-4,4a-dimethyl-6-(1-methylethylidene)-2-naphthol | 39850-91-4 | C15H24O |
| 4,4a,5,6,7,7a,8,9-八氢-3,4,8-三羟基-6,6,8-三甲基薁并[5,6-c]呋喃-1(3H)-酮 | Azuleno(5,6-c)furan-1(3H)-one, 4,4a,5,6,7,7a,8,9-octahydro-3,4,8-trihydroxy-6,6,8-trimethyl- | 71305-94-7 | C15H22O5 |
| 4,4A,5,6,7,8-六氢-4,4A-二甲基-6-(1-甲基亚乙基)-(4R-顺)-2(3H)-萘酮 | (4R,4aS)-(+)-4,4a-dimethyl-6-isopropylidene-4,4a,5,6,7,8-hexahydro-(3H)-naphthalen-2-one | 15764-04-2 | C15H22O |
| 4,4-双(叔丁基过氧化)戊酸丁酯 | butyl 4,4-di-(tert-butylperoxy) valerate | 995-33-5 | C17H34O6 |
| 4,4-二硝基戊酸甲酯 | 4,4-dinitrovaleriansaeure-methylester | 6921-12-6 | C6H10N2O6 |
| 4,4-二硝基戊酸乙酯 | Ethyl 4,4-dinitrovalerate | 6921-11-5 | C7H12N2O6 |
| 4,4-二硝基戊酸 | 4,4-Dinitrovaleric acid | 5029-31-2 | C5H8N2O6 |
| 4,4-二硝基庚烷二酸二甲酯 | 4,4-dinitro-heptanedioic acid dimethyl ester | 14826-50-7 | C9H14N2O8 |
| 4,4-二硝基庚二酸 | 4,4-dinitropimelic acid | 5029-40-3 | C7H10N2O8 |
| 4,4-二甲氧基丁酸甲酯 | methyl 4,4-dimethoxybutanoate | 4220-66-0 | C7H14O4 |
| 4,4-二甲氧基-3-甲基-2-丁烯酸乙酯 | ethyl 4,4-dimethoxy-3-methylbut-2-enoate | 83803-81-0 | C9H16O4 |
| 4,4-二甲氧基-2-丁烯酸乙酯 | ethyl (E)-4,4-dimethoxy-but-2-enoate | 114736-25-3 | C8H14O4 |
| 4,4-二甲基衣康酸 | 2-isopropylidenesuccinic acid | 584-27-0 | C7H10O4 |
| 4,4-二甲基胆甾-8,14-二烯-3-醇 | MAS-412 | 19456-83-8 | C29H48O |
| 4,4-二甲基胆甾-5-烯-3beta-醇 | Cholest-5-en-3beta-ol, 4,4-dimethyl- | 1253-88-9 | C29H50O |
| 4,4-二甲基戊酸乙酯 | ethyl 4,4-dimethylpentanoate | 10228-99-6 | C9H18O2 |
| 4,4-二甲基庚酸 | 4,4-Dimethylheptansaeure | 50902-80-2 | C9H18O2 |
| 4,4-二甲基己酸 | 4,4-dimethyl-hexanoic acid | 2979-89-7 | C8H16O2 |
| 4,4-二甲基二环[3.2.0]庚烷-2-酮 | 4,4-dimethylbicyclo<3.2.0>heptan-2-one | 71221-71-1 | C9H14O |
| 4,4-二甲基-雌-5-烯-3,17-二酮 | 4,4-dimethyl-estr-5-ene-3,17-dione | 102600-82-8 | C20H28O2 |
| 4,4-二甲基-癸酸酰胺 | 4,4-dimethyl-decanoic acid amide | 105907-87-7 | C12H25NO |
| 4,4-二甲基-环庚-2,5-二烯羧酸 | 4,4-dimethyl-cyclohepta-2,5-dienecarboxylic acid | 10091-78-8 | C10H14O2 |
| 4,4-二甲基-戊酰胺 | 4,4-dimethyl-pentanamide | 15672-96-5 | C7H15NO |
| 4,4-二甲基-庚二酸 | 4,4-dimethyl-1,7-heptanedioic acid | 5325-75-7 | C9H16O4 |
| 4,4-二甲基-delta(8)-胆甾烯醇 | 4,4-Dimethylcholest-8-ene-3β-ol | 7240-15-5 | C29H50O |
| 4,4-二甲基-6-羟基-2-己烯酸 | 4,4-dimethyl-6-hydroxy-2-hexenoic acid | 82351-49-3 | C8H14O3 |
| 4,4-二甲基-5-alpha-胆甾-(8,24)-二烯-3-beta-醇 | lanosterol | 7448-02-4 | C29H48O |
| 4,4-二甲基-3-羟基戊酰胺 | 4,4-dimethyl-3-hydroxypentanamide | 1007224-04-5 | C7H15NO2 |
| 4,4-二甲基-3-亚甲基戊酸 | 4,4-dimethyl-3-methylenepentanoic acid | 84817-86-7 | C8H14O2 |
| 4,4-二甲基-2-三甲基硅烷基-戊酸甲基酰胺 | N,4,4-trimethyl-2-trimethylsilylpentanamide | 1026848-93-0 | C11H25NOSi |
| 4,4-二甲基-2-三甲基甲硅烷基戊酸 | 4,4-dimethyl-2-(trimethylsilyl)pentanoic acid | 1115-16-8 | C10H22O2Si |
| 4,4-二甲基-2-(丙-2-炔-1-基)环己酮 | 4,4-dimethyl-2-(prop-2-yn-1-yl)cyclohexanone | 1047680-55-6 | C11H16O |
| 4,4-二甲基-2-(丙-1-烯-2-基)戊酸 | 3-methyl-2-neopentyl-3-butenoic acid | 56584-02-2 | C10H18O2 |
| 4,4-二甲基-1-己醇 | 4,4-Dimethyl-1-hexanol | 6481-95-4 | C8H18O |
| 4,4-二甲基-1,3-环戊烷二甲酸 | 4,4-dimethyl-cyclopentane-1,3-dicarboxylic acid | 5763-48-4 | C9H14O4 |
| 4,4-二溴-2,6-二叔丁基-2,5-CYLO己二烯ONE | 4,4-dibromo-2,6-di-tert-butyl-2,5-cyclohexadienone | 1144-36-1 | C14H20Br2O |
| 4,4-二氰基庚烷二酸二(2-丙烯基)酯 | Heptanedioic acid, 4,4-dicyano-, diallyl ester | 7504-74-7 | C15H18N2O4 |
| 4,4-二氯巴豆酸 | 4,4-dichloro-<i>trans</i>-crotonic acid | 16502-88-8 | C4H4Cl2O2 |
| 4,4-二氯-3-(二氯甲基)巴豆酸甲酯 | methyl 3-(dichloromethyl)-4,4-dichlorocrotonate | 97055-33-9 | C6H6Cl4O2 |
| 4,4-二氯-12-苯基-10,11,12-三氮杂五环[6.5.1.02,7.03,5.09,13]十四碳-10-烯 | 4,4-Dichloro-12-phenyl-10,11,12-triazapentacyclo[6.5.1.0(2,7).0(3,5).0(9,13)]tetradec-10-ene | 3265-86-9 | C17H17Cl2N3 |