1	FX5	2-(6-azanyl-5-piperazin-4-ium-1-yl-pyridazin-3-yl)phenol	1.000
2	QMW	1-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]piperidin-4-ol	0.864
3	QP8	Tert-butyl 4-[3-amino-6-(2-hydroxyphenyl)pyridazin-4-yl]piperazine-1-carboxylate	0.741