| 54031-97-9 | 2-Hydroxy-4-oxopentanoic acid | 2-羟基-4-氧代-2-戊酸 | C5H8O4 | 132.114622116089 |
| 848178-49-4 | Methyl 4-(5-Chlorothiophen-2-yl)-2,4-dioxobutanoate | | C9H7ClO4S | 246.667480707169 |
| 2411179-32-1 | 2,2-Dimethyl-3alpha-acetylcyclopropane-1beta-carboxylic acid ethyl ester | | C10H16O3 | 184.232243537903 |
| 80480-42-8 | methyl 4,6-dioxoheptanoate | 4,6-二氧庚酸甲酯 | C8H12O4 | 172.178483009338 |
| 39265-95-7 | Methyl 3-acetyl-4-oxopentanoate | 3,3-二乙酰基丙酸甲酯 | C8H12O4 | 172.178483009338 |
| 5965-53-7 | Diethyl 2-oxopentanedioate | 二乙基 2-氧代戊二酸酯 | C9H14O5 | 202.204463481903 |
| 82874-96-2 | Pentanoicacid, 2-(methoxyimino)-4-oxo-, ethyl ester | | C8H13NO4 | 187.193122625351 |
| 2416218-79-4 | rac-methyl (1R,3S)-3-(2-chloroacetyl)-2,2-dimethylcyclopropane-1-carboxylate, cis | | C9H13ClO3 | 204.650722265244 |
| 143955-12-8 | methyl 2-acetylcyclopropane-1-carboxylate | 2-乙酰基-环丙羧酸甲酯 | C7H10O3 | 142.152502536774 |
| 123-76-2 | 4-oxopentanoic acid | 乙酰丙酸 | C5H8O3 | 116.115221977234 |
| 32811-25-9 | methyl 2-methyl-4-oxopentanoate | 2-甲基-4-氧代戊酸甲酯 | C7H12O3 | 144.168382644653 |
| 53712-75-7 | 4-Cyclopropyl-4-oxobutyric acid | 4-环丙基-4-氧代丁酸 | C7H10O3 | 142.152502536774 |
| 1545138-43-9 | methyl 4-(2-methylfuran-3-yl)-2,4-dioxobutanoate | | C10H10O5 | 210.183403491974 |
| 1549305-15-8 | Methyl 3-methyl-2,4-dioxopentanoate | METHYL 3-METHYL-2,4-DIOXOPENTANOATE | C7H10O4 | 158.151902675629 |
| 1356475-37-0 | methyl 4-cyclopropyl-3-methyl-2,4-dioxobutanoate | | C9H12O4 | 184.189183235168 |
| 855212-42-9 | methyl 3-oxo-2-(2-oxopropyl)hexanoate | | C10H16O4 | 200.231643676758 |
| 1823800-28-7 | Ethyl 2-(2,2-difluoroacetyl)-4-oxopentanoate | | C9H12F2O4 | 222.185990333557 |
| 1550172-97-8 | methyl 6-methoxy-3-methyl-2,4-dioxohexanoate | | C9H14O5 | 202.204463481903 |
| 1796148-60-1 | 4-Oxo-5-{[(prop-2-en-1-yloxy)carbonyl]amino}pentanoic acid | | C9H13NO5 | 215.203222990036 |
| 328-50-7 | 2-Ketoglutaric acid | α-酮戊二酸 | C5H6O5 | 146.098142147064 |
| 1267214-83-4 | Methyl 4-(2-chloro-5-thienyl)-4-oxobutyrate | | C9H9ClO3S | 232.683960676193 |
| 6628-79-1 | β-Methyllevulinic Acid | 3-甲基-4-氧代戊酸 | C6H10O3 | 130.141802310944 |
| 13192-04-6 | Dimethyl 2-Ketoglutaconate | alpha-酮戊二酸二甲酯 | C7H10O5 | 174.151302814484 |
| 1452479-53-6 | ethyl 2-acetyl-5,5,5-trifluoro-4-oxopentanoate | | C9H11F3O4 | 240.176453828812 |
| 875554-21-5 | methyl 4-(1-methyl-1H-pyrazol-4-yl)-2,4-dioxobutanoate | | C9H10N2O4 | 210.186702251434 |
| 2168678-42-8 | 2-bromoethyl 4-oxopentanoate | | C7H11BrO3 | 223.064441919327 |
| 1547268-71-2 | methyl 3,5-dimethyl-2,4-dioxohexanoate | | C9H14O4 | 186.205063343048 |
| 54857-48-6 | ethyl 5-methyl-4-oxohexanoate | 5-甲基-4-氧代己酸乙酯 | C9H16O3 | 172.221543312073 |
| 2059965-56-7 | ethyl 2-acetyl-6,6-dimethyl-4-oxoheptanoate | | C13H22O4 | 242.311384677887 |
| 60254-71-9 | 5-chloro-4-oxopentanoic acid | 5-氯-4-氧代戊酸 | C5H7ClO3 | 150.560281038284 |
| 868670-26-2 | methyl 2-butanoyl-5,5-dimethyl-4-oxohexanoate | | C13H22O4 | 242.311384677887 |
| 20416-11-9 | Ethyl 4-oxo-5-phenylpentanoate | 4-氧代-5-苯基戊酸乙酯 | C13H16O3 | 220.264344215393 |
| 41892-81-3 | Ethyl 2-acetyl-4-oxopentanoate | 2-乙酰基-4-戊酮酸乙酯 | C9H14O4 | 186.205063343048 |
| 4192-31-8 | 4-Oxo-4-(pyridin-3-yl)butanoic acid | 4 - (吡啶- 3 -基)-4-氧代丁酸盐酸盐 | C9H9NO3 | 179.172662496567 |
| 37174-92-8 | ethyl 4-oxononanoate | 4-氧代壬酸乙酯 | C11H20O3 | 200.274703979492 |
| 19945-43-8 | 4-(2,5-dichlorothiophen-3-yl)-4-oxobutanoic acid | 4-(2,5-dichlorothiophen-3-yl)-4-oxobutanoic acid | C8H6O3SCl2 | 253.1 |
| 19856-23-6 | Pentanoic acid, 4-oxo-,sodium salt (1:1) | 乙酰丙酸钠,AR | C5H7NaO3 | 138.097052812576 |
| 34959-81-4 | Ethyl 3-Chloro-2,4-dioxopentanoate | 3-氯乙酰丙酮酸乙酯 | C7H9ClO4 | 192.596961736679 |
| 81485-15-6 | 4-oxo-4-pyrimidin-2-yl-butanoic acid | | C8H8N2O3 | 180.16072177887 |
| 6007-77-8 | 4-(2,5-dimethylthiophen-3-yl)-4-oxobutanoic Acid | 4-(2,5-二甲基噻吩-3-基)-4-氧代丁酸 | C10H12O3S | 212.265481948853 |
| 374063-91-9 | Methyl 2,4-dioxo-4-(pyridin-4-yl)butanoate | 4-羟甲基嘧啶 | C10H9NO4 | 207.182762861252 |
| 2801-75-4 | methyl 5-chloro-4-oxohexanoate | δ-Chlor-δ-methyl-laevulinsaeure-methylester | C7H11ClO3 | 178.613441705704 |
| 55130-40-0 | ethyl 3,4-dioxopentanoate | 3,4二氧基-戊酸乙酯 | C7H10O4 | 158.151902675629 |
| 154325-75-4 | Ethyl 5-bromo-2,2-dimethyl-4-oxopentanoate | 5-溴-2,2-二甲基-4-氧代戊酸乙酯 | C9H15BrO3 | 251.117602586746 |
| 36983-35-4 | ethyl 4-(furan-2-yl)-2,4-dioxobutanoate | 2-呋喃 丁酸-a-y-脱氧乙酯 | C10H10O5 | 210.183403491974 |
| 2052-15-5 | Butyl 4-oxopentanoate | 乙酰丙酸丁酯 | C9H16O3 | 172.221543312073 |
| 105469-27-0 | ethyl 5-hydroxy-4-oxohexanoate | ethyl 5-hydroxy-4-oxohexanoate | C8H14O4 | 174.194363117218 |
| 1956307-67-7 | 4-Oxo-4-(pyridin-3-yl)butanoic acid hydrochloride | | C9H10ClNO3 | 215.633601665497 |
| 1445831-49-1 | ethyl 4-cyclopropyl-3-methyl-2,4-dioxobutanoate | | C10H14O4 | 198.215763568878 |
| 2854-10-6 | tert-butyl 4-oxopentanoate | 4-氧代戊酸叔丁酯 | C9H16O3 | 172.221543312073 |
