1 3DN 3-(4-{[4-(dimethylamino)piperidin-1-yl]methyl}phenyl)-5-methylisoquinolin-1(2h)-one 1.000 2 T40 5-methyl-3-[4-(piperazin-1-ylmethyl)phenyl]isoquinolin-1(2h)-one 0.828 3 U1T 5-methyl-3-[4-(pyrrolidin-1-ylmethyl)phenyl]isoquinolin-1(2h)-one 0.793 4 GQG N,N-dimethyl-1-[(4-phenylphenyl)methyl]pyridin-1-ium-4-amine 0.724