1	54U	1-[4-(4-hydroxyphenyl)piperazin-1-yl]ethanone	1.000
2	8RS	1-(4-phenylpiperazin-1-yl)ethan-1-one	0.938
3	WNY	1-[4-(4-chlorophenyl)piperazin-1-yl]ethan-1-one	0.882
4	T8P	1-[4-(4-methoxyphenyl)piperazin-1-yl]ethan-1-one	0.833
5	8RA	1-[4-(pyridin-2-yl)piperazin-1-yl]ethan-1-one	0.824
6	8TV	1-[4-(pyridin-4-yl)piperazin-1-yl]ethan-1-one	0.824
7	VYU	4-(4-ethylpiperazin-1-yl)aniline	0.824
8	T2J	1 1-(4-(2-nitrophenyl)piperazin-1-yl)ethan-1-one	0.789
9	A1AXJ	[2-(4-ethylpiperazin-1-yl)phenyl]methanol	0.778
10	A6Z	2-[4-(3-chlorophenyl)piperazin-1-ium-1-yl]ethanenitrile	0.778
11	O1M	4-(4-fluorophenyl)piperazine-1-carboxamide	0.778
12	SNV	2-[4-(2-aminophenyl)piperazin-1-yl]ethanol	0.778
13	A1EFB	3-(4-methylpiperazin-1-yl)aniline	0.765
14	QSS	2-(4-methylpiperazin-1-yl)aniline	0.765
15	2A2	4-[4-(3-chlorophenyl)piperazin-1-yl]-4-oxobutane-1-thiol	0.750
16	GI7	1-[4-(4-ethanoylpiperazin-1-yl)phenyl]guanidine	0.750
17	VU9	1-phenylpiperazine	0.750
18	8TS	6-(4-acetylpiperazin-1-yl)pyridine-3-carbonitrile	0.737
19	Q4L	Methyl 4-(4-fluorophenyl)piperazine-1-carboxylate	0.737
20	S5J	2-[4-(2-methoxyphenyl)piperazin-1-yl]ethanenitrile	0.737
21	91B	1-[3-(4-methylpiperazin-1-yl)phenyl]methanamine	0.722
22	A1AYA	[2-(4-methylpiperazin-1-yl)phenyl]methanol	0.722
23	RXJ	4-(4-methylpiperazin-1-yl)benzonitrile	0.722
24	JRB	2-piperazin-1-yl-aniline	0.706
25	GX4	Cyclopropyl-[4-(4-fluorophenyl)piperazin-1-yl]methanone	0.700
26	MHC	3-mercapto-1-(1,3,4,9-tetrahydro-B-carbolin-2-yl)-propan-1-one	0.700