4-chloro-N-[5-chloro-2-hydroxy-4-[2-(3-methylphenyl)sulfonylbutanoylamino]phenyl]-1-phenylpyrrole-3-carboxamide;N-[3-chloro-4-[2-(3-methylphenyl)sulfonylbutanoylamino]-6-oxocyclohexa-2,4-dien-1-ylidene]-3-phenyl-1,2-dihydrotriazole-5-carboxamide;1-methyl-N-[4-[2-(3-methylphenyl)sulfonylbutanoylamino]-6-oxo-3-(4-phenyl-1,3-dihydrotriazol-2-yl)cyclohexa-2,4-dien-1-ylidene]pyrrole-3-carboxamide