(E)-3-(1-Methyl-2-nitro-1H-imidazol-5-yl)-2-propenoic acid methyl ester 2-Propenoic acid, 3-(1-methyl-2-nitro-1H-imidazol-5-yl)-, methyl ester, (E)- 5-25-04-00205 (Beilstein Handbook Reference) 62143-85-5 BRN 0797176 Methyl (E)-3-(1-methyl-2-nitro-1H-imidazol-5-yl)-2-propenoate