Synonyms: 2-Butenoic acid, 3-phenyl-, (2E)-, 2-Butenoic acid, 3-phenyl-, (E)-; Cinnamic acid, β-methyl-, (E)- (8CI); Cinnamic acid, β-methyl-, trans- (4CI); (2E)-3-Phenyl-2-butenoic acid; (E)-3-Phenylbut-2-enoic acid; (E)-β-Methylcinnamic acidDouble bond geometry as shown.
