1 6NP 6((S)-3-benzylpiperazin-1-yl)-3-(naphthalen-2-yl)-4-(pyridin-4-yl)pyrazine 1.000 2 A1B7S (3p)-3-(naphthalen-2-yl)-6-(piperazin-1-yl)-4-(pyridin-4-yl)pyridazine 0.800 3 3GF 6-(4-methylpiperazin-1-yl)-3-(naphthalen-2-yl)-4-(pyridin-4-yl)pyridazine 0.778