ethyl 3-methyl-4-oxo-2-butenoate
CAS No. 41891-38-7
ethyl 3-methyl-4-oxo-2-butenoate;Ethyl-3-FormylCrotonate;3-Formyl-2-butenoic acid ethyl ester;3-Methyl-4-oxo-2-butenoic acid ethyl ester