(E)-2-Cyano-3-(3,4-dihydroxyphenyl)-2-propenoic acid 122520-79-0 2-Propenoic acid, 2-cyano-3-(3,4-dihydroxyphenyl)-, (2E)- (9CI) 2-Propenoic acid, 2-cyano-3-(3,4-dihydroxyphenyl)-, (E)- 2-propenoic acid, 2-cyano-3-(3,4-dihydroxyphenyl)-, (2E)- AG 30 Tyrophostin AG 30 alpha-Cyano-(3,4-dihydroxy)cinnamic acid alpha-Cyano-3,4-dihydroxycinnamic acid