1 XK9 N-{4-[(1e)-N-(N-hydroxycarbamimidoyl)ethanehydrazonoyl]phenyl}-7-nitro-1h-indole-2-carboxamide 1.000 2 D1A N-[4-[(E)-N-carbamimidamido-C-methyl-carbonimidoyl]phenyl]-7-nitro-1h-indole-2-carboxamide 0.900 3 UPX N-{4-[(1e)-N-1h-imidazol-2-ylethanehydrazonoyl]phenyl}-7-nitro-1h-indole-2-carboxamide 0.735 4 YIT N-{4-[(1e)-N-carbamimidoylbutanehydrazonoyl]phenyl}-5-methoxy-1h-indole-2-carboxamide 0.706