1 627 N-[(3e)-5-[(2r)-2-methoxy-2-phenylacetyl]pyrrolo[3,4-C]pyrazol-3(5h)-ylidene]-4-(4-methylpiperazin-1-yl)benzamide 1.000 2 571 5-[(2r)-2-hydroxy-2-phenylacetyl]-3-({[4-(4-methylpiperazin-1-yl)phenyl]carbonyl}amino)-1,6-dihydropyrrolo[3,4-C]pyrazol-5-ium 0.917 3 626 4-(4-methylpiperazin-1-yl)-N-[5-(2-thienylacetyl)-1,5-dihydropyrrolo[3,4-C]pyrazol-3-yl]benzamide 0.861