| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4-甲基-3-氧代戊酸叔丁酯 | tert-butyl 4-methyl-3-oxopentanoate | 94250-54-1 | C10H18O3 |
| 4-甲基-3-氧代己酸乙酯 | DL-ethyl 2-methylbutyrylacetate | 98192-72-4 | C9H16O3 |
| 4-甲基-2-酮戊二酸 | 2-oxo-4-methylglutaric acid | 55601-64-4 | C6H8O5 |
| 4-甲基-2-氧代戊酸钾 | 93778-31-5 | C6H10KO3 | |
| 4-甲基-2-氧代戊酸钙 | 2-Ketoleucine calcium salt | 51828-95-6 | C6H10CaO3 |
| 4-甲基-2-氧代戊酸 | 4-methyl-2-oxopentanoic acid | 816-66-0 | C6H10O3 |
| 4-环戊基-4-氧代丁酸 | 4-cyclopentyl-4-oxobutanoic acid | 3400-90-6 | C9H14O3 |
| 4-环戊基-3-氧代丁酸乙酯 | ethyl 4-cyclopentyl-3-oxobutyrate | 68104-99-4 | C11H18O3 |
| 4-环己基-4-氧代丁酸甲酯 | methyl 4-cyclohexyl-4-oxobutanoate | 14886-54-5 | C11H18O3 |
| 4-环己基-4-氧代丁酸 | 4-cyclohexyl-4-oxobutanoic acid | 15971-95-6 | C10H16O3 |
| 4-环己基-3-氧代丁酸乙酯 | 4-Cyclohexylacetessigsaeure-ethylester | 64127-44-2 | C12H20O3 |
| 4-环十二烷基-4-氧代丁酸甲酯 | methyl 4-cyclododecyl-4-oxobutanoate | 65213-33-4 | C17H30O3 |
| 4-环丙基-4-氧代丁酸 | 4-cyclopropyl-4-oxobutanoic acid | 53712-75-7 | C7H10O3 |
| 4-环丙基-3-氧代丁酸甲酯 | methyl 3-cyclopropyl-3-oxobutanoate | 251635-21-9 | C8H12O3 |
| 4-环丙基-3-氧代丁酸乙酯 | ethyl 4-cyclopropyl-3-oxobutanoate | 630399-84-7 | C9H14O3 |
| 4-环丙基-2,4-二氧代丁酸甲酯 | methyl 4-cyclopropyl-2,4-dioxobutanoate | 167408-67-5 | C8H10O4 |
| 4-环丙基-2,4-二氧代丁酸乙酯 | ethyl 4-cyclopropyl-2,4-dioxobutanoate | 21080-80-8 | C9H12O4 |
| 4-环丁基-4-氧代丁酸 | 4-cyclobutyl-4-oxo-butyric acid | 889953-85-9 | C8H12O3 |
| 4-环丁基-3-氧代丁酸乙酯 | ethyl 4-cyclobutyl-3-oxobutanoate | 885280-12-6 | C10H16O3 |
| 4-溴乙酰乙酸乙酯 | 4-bromoethyl acetoacetate | 13176-46-0 | C6H9BrO3 |
| 4-溴-3-氧代戊酸甲酯 | methyl 4-bromo-3-oxopentanoate | 105983-77-5 | C6H9BrO3 |
| 4-溴-3-氧代戊酸乙酯 | ethyl 4-bromo-3-oxopentanoate | 36187-69-6 | C7H11BrO3 |
| 4-溴-3-氧代十八烷酸甲酯 | methyl 4-bromo-3-oxooctadecanoate | 188964-30-9 | C19H35BrO3 |
| 4-溴-3-氧代丁酸叔丁酯 | tert-butyl 4-bromoacetoacetate | 74530-57-7 | C8H13BrO3 |
| 4-溴-3-氧代丁酸丁酯 | 4-Bromo-3-oxo-butyric acid butyl ester | 32807-11-7 | C8H13BrO3 |
| 4-溴-3-氧代-丁酸甲酯 | methyl 4-bromo-3-oxobutanoate | 17790-81-7 | C5H7BrO3 |
| 4-溴-3-氧代-2-苯基丁酸乙酯 | ethyl 4-bromo-3-oxo-2-phenylbutanoate | 408320-75-2 | C12H13BrO3 |
| 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-氰基乙酰乙酸甲酯 | cyanoacetylacetic acid methyl ester | 419572-99-9 | C6H7NO3 |
| 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-4-氟-3-氧代丁酸乙酯 | ethyl 4-chloro-4-fluoro-3-oxobutanoate | 111218-58-7 | C6H8ClFO3 |
| 4-氯-4,4-二氟乙酰乙酸甲酯 | 4-chloro-4,4-difluoro-3-oxobutanoic acid methyl ester | 117510-94-8 | C5H5ClF2O3 |
| 4-氯-4,4-二氟乙酰乙酸乙酯 | 4-chloro-4,4-difluoro-3-oxo-butyric acid ethyl ester | 2063-17-4 | C6H7ClF2O3 |
| 4-氯-3-氧代己酸乙酯 | ethyl 4-chloro-3-oxohexanoate | 103602-50-2 | C8H13ClO3 |
| 4-氯-3-氧代丁酸异丙酯 | 4-chloroacetoacetic acid isopropyl ester | 41051-20-1 | C7H11ClO3 |
| 4-氯-3-氧代丁酸己酯 | hexyl 4-chloroacetoacetate | 86728-88-3 | C10H17ClO3 |
| 4-氯-3-氧代丁酸叔丁酯 | tert-butyl 4-chloroacetoacetate | 74530-56-6 | C8H13ClO3 |
| 4-氯-2-氰基-3-氧代丁酸乙酯 | 4-chloro-2-cyano-acetoacetic acid ethyl ester | 26390-99-8 | C7H8ClNO3 |
| 4-氯-2-(羟基亚胺)-3-氧代丁酸甲酯 | methyl 4-chloro-2-hydroxyiminoacetoacetate | 84208-39-9 | C5H6ClNO4 |
| 4-氯-2-(羟基亚胺)-3-氧代丁酸乙酯 | ethyl 4-chloro-2-(hydroxyimino)-3-oxobutanoate | 50382-11-1 | C6H8ClNO4 |
| 4-氯-2-(甲氧基亚胺)-3-氧代丁酸乙酯 | ethyl 2-methoxyimino-3-oxo-4-chlorobutyrate | 64485-87-6 | C7H10ClNO4 |
| 4-氨基-3-氧代丁酸 | 4-Amino-acetessigsaeure | 33884-84-3 | C4H7NO3 |
| 4-氨基-2,4-二氧代丁酸 | 4-amino-2,4-dioxobutanoic acid | 33239-40-6 | C4H5NO4 |
| 4-氧代辛酸 | 4-oxooctanoic acid | 4316-44-3 | C8H14O3 |
| 4-氧代癸酸乙酯 | ethyl 4-oxodecanoate | 14294-63-4 | C12H22O3 |
| 4-氧代癸酸 | 4-oxodecanoic acid | 4144-54-1 | C10H18O3 |
| 4-氧代戊酸戊酯 | 1-pentyl levulinate | 20279-49-6 | C10H18O3 |