3.4-Dioxy-benzylidencyanessigsaeure;2-cyano-3-(3,4-dihydroxy-phenyl)-acrylic acid;(E)-2-cyano-3-(3,4-dihydroxyphenyl)acrylic acid;AG 30;2-Propenoic acid,2-cyano-3-(3,4-dihydroxyphenyl)-,(E);Tyrphostin AG 30;(E)-2-Cyano-3-(3,4-dihydroxyphenyl)-2-propenoic acid;Tyrophostin AG 30;2-Cyan-3-(3,4-dihydroxy-phenyl)-acrylsaeure;