1	T8P	1-[4-(4-methoxyphenyl)piperazin-1-yl]ethan-1-one	1.000
2	8RS	1-(4-phenylpiperazin-1-yl)ethan-1-one	0.882
3	54U	1-[4-(4-hydroxyphenyl)piperazin-1-yl]ethanone	0.833
4	WNY	1-[4-(4-chlorophenyl)piperazin-1-yl]ethan-1-one	0.833
5	8RA	1-[4-(pyridin-2-yl)piperazin-1-yl]ethan-1-one	0.778
6	8TV	1-[4-(pyridin-4-yl)piperazin-1-yl]ethan-1-one	0.778
7	VYU	4-(4-ethylpiperazin-1-yl)aniline	0.778
8	T2J	1 1-(4-(2-nitrophenyl)piperazin-1-yl)ethan-1-one	0.750
9	A6Z	2-[4-(3-chlorophenyl)piperazin-1-ium-1-yl]ethanenitrile	0.737
10	O1M	4-(4-fluorophenyl)piperazine-1-carboxamide	0.737
11	SNV	2-[4-(2-aminophenyl)piperazin-1-yl]ethanol	0.737
12	QSS	2-(4-methylpiperazin-1-yl)aniline	0.722
13	2A2	4-[4-(3-chlorophenyl)piperazin-1-yl]-4-oxobutane-1-thiol	0.714
14	GI7	1-[4-(4-ethanoylpiperazin-1-yl)phenyl]guanidine	0.714
15	VU9	1-phenylpiperazine	0.706
16	8TS	6-(4-acetylpiperazin-1-yl)pyridine-3-carbonitrile	0.700
17	Q4L	Methyl 4-(4-fluorophenyl)piperazine-1-carboxylate	0.700
18	S5J	2-[4-(2-methoxyphenyl)piperazin-1-yl]ethanenitrile	0.700