1 KDI 3-amino-N-(3-methoxypropyl)-6-{4-[(4-methylpiperazin-1-yl)sulfonyl]phenyl}pyrazine-2-carboxamide 1.000 2 G8N 3-azanyl-~{N}-(2-methoxyethyl)-6-[4-(4-methylpiperazin-1-yl)sulfonylphenyl]pyrazine-2-carboxamide 0.848 3 GR9 3-amino-6-{4-[(4-methylpiperazin-1-yl)sulfonyl]phenyl}-N-pyridin-3-ylpyrazine-2-carboxamide 0.703