2-Butenoic acid, 2,3-dimethyl-, phenylmethyl ester 7492-69-5 BENZYL 2,3-DIMETHYLCROTONATE Benzyl 2,3-dimethyl-2-butenoate Benzyl methyltiglate Crotonic acid, 2,3-dimethyl-, benzyl ester FEMA No. 2143 Phenylmethyl 2,3-dimethyl-2-butenoate