1 KXZ 3-[3-[(3-chloranyl-4-phenyl-phenyl)methylamino]propylamino]-3-oxidanylidene-propanoic acid 1.000 2 551 Methyl 3-[(3-{[(2-chlorobiphenyl-4-yl)methyl]amino}propyl)amino]-3-oxopropanoate 0.889 3 54R N-(3-{[(2-chlorobiphenyl-4-yl)methyl]amino}propyl)acetamide 0.880 4 JMB (3-chloranyl-4-phenyl-phenyl)methyl-propyl-azanium 0.720