| 1 | 2253-33-0 | 氟尿嘧啶杂质 19 | ethyl 2-fluoro-3-oxopropanoate | C5H7FO3
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| 2 | 95399-93-2 | 4-氟-3-氧代丁酸甲酯 | methyl 4-fluoro-3-oxo-butanoate | C5H7FO3
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| 3 | 760-10-1 | 3-FLUOROPYRUVIC ACID ETHYL ESTER | 3-FLUOROPYRUVIC ACID ETHYL ESTER | C5H7FO3
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| 4 | 1510160-17-4 | 4-fluorooxolane-3-carboxylic acid | 4-fluorooxolane-3-carboxylic acid | C5H7FO3
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| 5 | 62522-71-8 | 1-乙酰氧基-3-氟丙酮 | Acetic acid 3-fluoro-2-oxopropyl ester | C5H7FO3
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| 6 | 1545011-97-9 | 3-(fluoromethyl)oxetane-3-carboxylic acid | 3-(fluoromethyl)oxetane-3-carboxylic acid | C5H7FO3
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| 7 | 2167289-41-8 | 1-fluoro-3-hydroxycyclobutane-1-carboxylic acid | 1-fluoro-3-hydroxycyclobutane-1-carboxylic acid | C5H7FO3
| | |
| 8 | 80171-29-5 | Butanoic acid, 2-fluoro-3-oxo-, methyl ester (9CI) | Butanoic acid, 2-fluoro-3-oxo-, methyl ester (9CI) | C5H7FO3
| | |
| 9 | 2231663-98-0 | | cis-1-fluoro-3-hydroxycyclobutane-1-carboxylic acid | C5H7FO3
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