1	US7	1-[4-(methylsulfonyl)phenyl]piperazine	1.000
2	VU9	1-phenylpiperazine	0.750
3	JRB	2-piperazin-1-yl-aniline	0.706
4	LC1	2-(1,3-thiazol-4-yl)-1h-benzimidazole-5-sulfonamide	0.700