2308-18-1 3-Methylbutyl 3-oxobutanoate 3-Methylbutyl acetoacetate 3-Methylbutyl beta-ketobutyrate 3-OXOBUTANOIC ACID 3-METHYLBUTYL ESTER Acetoacetic acid, isopentyl ester Butanoic acid, 3-oxo-, 3-methylbutyl ester EINECS 218-991-5 FEMA No. 3551 Isoamyl 3-oxobutanoate Isoamyl acetoacetate Isoamyl acetylacetate Isoamyl beta-ketobutyrate Isopentyl 3-oxobutanoate Isopentyl acetoacetate Isopentyl beta-ketobutyrate