1 P2L 4-chlorol-2-methyl-5-[[(3~{R})-1-methylpiperidin-3-yl]amino]pyridazin-3-one 1.000 2 Y9P 4-chloranyl-2-methyl-5-[[(3~{R})-pyrrolidin-3-yl]amino]pyridazin-3-one 0.778 3 YC4 4-chloranyl-2-methyl-5-[[(3~{S})-pyrrolidin-3-yl]amino]pyridazin-3-one 0.778 4 7WZ 5-[4-(aminomethyl)anilino]-4-chloro-2-methylpyridazin-3(2h)-one 0.750 5 I0D 4-chloranyl-2-methyl-5-[(2-methyl-3,4-dihydro-1~{H}-isoquinolin-5-yl)amino]pyridazin-3-one 0.727 6 YBV 5-(azetidin-3-ylamino)-4-chloranyl-2-methyl-pyridazin-3-one 0.722