methyl N-[4-[[[4-oxo-4-(1,3-thiazol-2-ylamino)butanoyl]amino]sulfamoyl]phenyl]carbamate

N'-[(E)-benzylideneamino]-N-(1,3-thiazol-2-yl)butanediamide

4-(2-butanoylhydrazinyl)-4-oxo-N-(1,3-thiazol-2-yl)butanamide

4-oxo-4-[2-[(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]hydrazinyl]-N-(1,3-thiazol-2-yl)butanamide

2-[4-[[4-(hydrazinecarbonyl)-1,3-thiazol-2-yl]amino]-4-oxobutanoyl]butanedioic acid