| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4-溴-2-重氮-3-氧代丁酸乙酯 | 4-bromo-2-diazo-3-oxobutyric acid ethyl ester | 188475-10-7 | C6H7BrN2O3 |
| 4-溴-2-甲氧亚胺乙酰乙酸乙酯 | Ethyl 2-methoxyimino-3-oxo-4-thiocyanobutanoate | 60845-87-6 | C7H10BrNO4 |
| 4-溴-2-甲基-3-氧代丁酸乙酯 | ethyl 4-bromo-2-methyl-3-oxobutanoate | 51461-34-8 | C7H11BrO3 |
| 4-溴-2,5-二甲基吡咯-3-羧酸 | 4-Bromo-2,5-dimethyl-1H-pyrrole-3-carboxylic acid | 175276-47-8 | C7H8BrNO2 |
| 4-溴-1H-吡唑-1-乙酸乙酯 | ethyl 2-(4-bromo-1H-pyrazol-1-yl)acetate | 82231-58-1 | C7H9BrN2O2 |
| 4-溴-1H-吡咯-2-羧酰胺 | 4-bromo-1H-pyrrole-2-carboxamide | 196106-96-4 | C5H5BrN2O |
| 4-溴-1-甲基-1H-吲唑 | N-Succinyl-L-tyrosine | 374816-32-7 | C13H15NO6 |
| 4-溴-1,3-二甲基-1H-吡唑-5-甲酰胺 | 4-bromo-1,3-dimethyl-1H-pyrazole-5-carboxamide | 1005641-22-4 | C6H8BrN3O |
| 4-溴-1,2-二甲酰基吡唑烷 | 4-bromo-1,2-diformylpyrazolidine | 162887-23-2 | C5H7BrN2O2 |
| 4-派啶乙酸甲酯 | methyl 2-(piperidin-4-yl)acetate | 168986-49-0 | C8H15NO2 |
| 4-汞苯基磺酸酯 | Para-mercury-benzenesulfonic acid | 17014-79-8 | C6H5HgO3S |
| 4-氰基噻吩-2-硼酸频那醇酯 | 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carbonitrile | 916454-59-6 | C11H14BNO2S |
| 4-氰基双环[2.2.2]辛烷-1-羧酸甲酯 | methyl 4-cyanobicyclo[2.2.2]octane-1-carboxylate | 54202-05-0 | C11H15NO2 |
| 4-氰基乙酰乙酸甲酯 | cyanoacetylacetic acid methyl ester | 419572-99-9 | C6H7NO3 |
| 4-氰基丁基乙酸酯 | (4-cyano)butyl acetate | 89775-53-1 | C7H11NO2 |
| 4-氰基丁-3-烯-2-基乙酸酯 | 4-acetoxypent-2-enenitrile | 67214-52-2 | C7H9NO2 |
| 4-氰基-5-咪唑甲酰胺 | 4-Cyanoimidazol-5-carboxamid | 5372-23-6 | C5H4N4O |
| 4-氰基-4-[(1,1-二甲基乙基)偶氮]戊酸 | 4-(tert-butylazo)-4-cyanopentanoic acid | 25149-50-2 | C10H17N3O2 |
| 4-氰基-3-羟基丁酸甲酯 | 4-cyano-3-hydroxybutyric acid methyl ester | 158849-52-6 | C6H9NO3 |
| 4-氰基-3-环己烯甲酸甲酯 | methyl 4-cyanocyclohex-3-ene-1-carboxylate | 20594-59-6 | C9H11NO2 |
| 4-氰基-2-硝基丁酸甲酯 | methyl 4-cyano-2-nitrobutanoate | 90016-21-0 | C6H8N2O4 |
| 4-氰基-2-氟-2-硝基丁酸乙酯 | ethyl 4-cyano-2-fluoro-2-nitrobutyrate | 110683-81-3 | C7H9FN2O4 |
| 4-氰基-2-异丙基-5-(4-甲氧基苯基)吡咯烷-2-羧酸甲酯 | methyl 2-isopropyl-t-4-cyano-t-5-p-methoxyphenyl-r-2-pyrrolidinecarboxylate | 119993-47-4 | C17H22N2O3 |
| 4-氰基-1H-1,2,3-三唑-5-甲酰胺 | 5-cyano-2H-[1,2,3]triazole-4-carboxylic acid amide | 57613-19-1 | C4H3N5O |
| 4-氰基-1-甲基-1H-咪唑-5-甲酰胺 | 1-Methyl-4-cyano-5-imidazolcarboxamid | 19485-36-0 | C6H6N4O |
| 4-氰基-1-甲基-1H-吡唑-5-硼酸频哪醇酯 | 1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-4-carbonitrile | 1638360-07-2 | C11H16BN3O2 |
| 4-氰基-1-乙烯基-1H-咪唑-5-甲酰胺 | 5-cyano-3-vinyl-3<i>H</i>-imidazole-4-carboxylic acid amide | 19485-46-2 | C7H6N4O |
| 4-氰基-1,3-环己二烯-1-羧酸 | 4-Cyanocyclohexa-1,3-diene-1-carboxylic acid | 72422-72-1 | C8H7NO2 |
| 4-氰基-1,2,5-恶二唑-3-甲酰胺 | Carbamoyl-cyan-furazan | 89797-64-8 | C4H2N4O2 |
| 4-氯苯基硫酸盐 | p-Chlorphenylsulfonsaeure | 3233-55-4 | C6H5ClO4S |
| 4-氯苯基巯基尿酸 | (R)-2-acetamido-3-((4-chlorophenyl)thio)propanoic acid | 21462-48-6 | C11H12ClNO3S |
| 4-氯苯基双(4-甲氧基苯基)磷酸酯 | 4-chlorophenyl bis(4-methoxyphenyl) phosphate | 135263-40-0 | C20H18ClO6P |
| 4-氯苯丙氨酸甲酯盐酸盐(1:1) | (S)-2-amino-3-(4-chloro-phenyl)-propionic acid methyl ester hydrochloride | 63024-26-0 | C10H12ClNO2*ClH |
| 4-氯甲基-N-环己基苯甲酰胺 | human opiorphin | 864084-88-8 | C29H48N12O8 |
| 4-氯甲基-5-甲基-1,3-二氧杂环戊烯-2-酮 | 4-chloromethyl-5-methyl-1,3-dioxol-2-one | 80841-78-7 | C5H5ClO3 |
| 4-氯庚酸酐 | 4-chloroheptanoic anhydride | 111680-88-7 | C14H24Cl2O3 |
| 4-氯吡啶-3-磺酸 | Chlor-(4)-pyridin-sulfonsaeure-(3) | 51498-38-5 | C5H4ClNO3S |
| 4-氯二环[2.2.0]己烷-1-羧酸 | 4-Chlor-bicyclo <2.2.0> hexan-1-carbonsaeure | 18341-71-4 | C7H9ClO2 |
| 4-氯乙酰基氧基-5-硝基-4,5-二氢胸腺嘧啶 | 4-chloroacetyloxy-5-nitro-4,5-dihydrothymine | 82531-54-2 | C7H8ClN3O6 |
| 4-氯乙酰乙酸甲酯 | Methyl 4-chloroacetoacetate | 32807-28-6 | C5H7ClO3 |
| 4-氯乙酰乙酸正辛酯 | octyl 4-chloro-3-oxobutanoate | 41051-21-2 | C12H21ClO3 |
| 4-氯乙酰乙酸乙酯 | Ethyl 4-chloroacetoacetate | 638-07-3 | C6H9ClO3 |
| 4-氯丁醇醋酸酯 | 4-Chlorobutyl acetate | 6962-92-1 | C6H11ClO2 |
| 4-氯丁烷-1-磺酰胺 | 4-chlorobutanesulfonamide | 3144-06-7 | C4H10ClNO2S |
| 4-氯丁基膦酸 | 4-Chlor-butan-phosphonsaeure-(1) | 7582-38-9 | C4H10ClO3P |
| 4-氯丁基氯甲酸酯 | 4-chlorobutyl chloroformate | 37693-18-8 | C5H8Cl2O2 |
| 4-氯丁基氨基甲酸酯 | ω-Chlorbutylcarbamat | 51165-58-3 | C5H10ClNO2 |
| 4-氯丁基氨基甲酸叔丁酯 | tert-butyl (4-chlorobutyl)carbamate | 95388-79-7 | C9H18ClNO2 |
| 4-氯丁-2-烯-1-醇乙酸酯 | Acetic acid--4-chlorobut-2-en-1-ol (1/1) | 34414-28-3 | C6H11ClO3 |
| 4-氯丁-2-烯-1-醇,甲酸 | 4-Chlorobut-2-en-1-ol;formic acid | 66660-21-7 | C5H9ClO3 |