433941-68-5

4-{4-[(4-methoxyanilino)sulfonyl]anilino}-4-oxobutanoic acid 4-({4-[(4-methoxyphenyl)sulfamoyl]phenyl}amino)-4-oxobutanoic acid Butanoic acid, 4-[[4-[[(4-methoxyphenyl)amino]sulfonyl]phenyl]amino]-4-oxo-