3733945 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3733945 > 2 > ChemIDplus > 013979345 > 13979-34-5 2-Butenoic acid, 3-methyl-2-(1-methylethyl)-, ethyl ester Crotonic acid, 2-isopropyl-3-methyl-, ethyl ester Ethyl 2-isopropyl-3-methylcrotonate Ethyl 3-methyl-2-(1-methylethyl)-2-butenoic acid > 13979-34-5 > 013979345 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=013979345 $$$$