butan-2-yl (E)-but-2-enoate;sec-butyl (E)-but-2-enoate;(E)-but-2-enoic acid sec-butyl ester;10371-45-6;44917-51-3;2-Butenoic acid, 1-methylpropyl ester, (E)-;sec-Butylcrotonate;Crotonic acid, sec-butyl ester;2-Butenoic acid, 1-methylpropyl ester
butan-2-yl (E)-but-2-enoate