433316-83-7

(E)-4-{4-[(4-iodoanilino)sulfonyl]anilino}-4-oxo-2-butenoic acid (2E)-4-({4-[(4-iodophenyl)sulfamoyl]phenyl}amino)-4-oxobut-2-enoic acid 2-Butenoic acid, 4-[[4-[[(4-iodophenyl)amino]sulfonyl]phenyl]amino]-4-oxo-