1 H55 3,5-diamino-N-carbamimidoyl-6-(1-methyl-1h-pyrazol-4-yl)pyrazine-2-carboxamide 1.000 2 9X9 3,5-bis(azanyl)-N-carbamimidoyl-6-(2-methoxypyrimidin-5-yl)pyrazine-2-carboxamide 0.750 3 27I 3-azanyl-5-(azepan-1-yl)-N-carbamimidoyl-6-(1-methylpyrazol-4-yl)pyrazine-2-carboxamide 0.704