1164548-25-7

(E)-4-(2-methoxy-5-nitroanilino)-4-oxo-2-butenoic acid (E)-4-((2-methoxy-5-nitrophenyl)amino)-4-oxobut-2-enoic acid (2E)-4-[(2-methoxy-5-nitrophenyl)amino]-4-oxobut-2-enoic acid 2-Butenoic acid, 4-[(2-methoxy-5-nitrophenyl)amino]-4-oxo-, (2E)-