Synonyms: 2-Butenoicacid, 2-methyl-, (E)-;Crotonic acid, 2-methyl-, (E)- (8CI);Tiglic acid(6CI,7CI);(E)-2-Methyl-2-butenoic acid;(E)-a-Methylcrotonic acid;Cevadic acid;NSC 44235;NSC 8999;Tiglinic acid;trans-2,3-Dimethylacrylic acid;trans-2-Methyl-2-butenoic acid;trans-a,b-Dimethylacrylic acid;