3-(3H-imidazol-4-yl)prop-2-enoate (E)-3-(3H-imidazol-4-yl)prop-2-enoate 3-(3H-imidazol-4-yl)acrylate (E)-3-(3H-imidazol-4-yl)acrylate (2E)-3-(1H-imidazol-4-yl)prop-2-enoate CHEBI:17771 trans-urocanate 3-(1H-imidazol-4-yl)prop-2-enoate CHEBI:27247 ZINC00160787