1	NUY	[4-(propan-2-yl)piperazin-1-yl](thiophen-2-yl)methanone	1.000
2	T8J	1-[4-(thiophene-2-carbonyl)piperazin-1-yl]ethan-1-one	0.882
3	T8M	1-{4-[(thiophen-2-yl)methyl]piperazin-1-yl}ethan-1-one	0.824
4	T6Y	1-{4-[(5-chlorothiophen-2-yl)methyl]piperazin-1-yl}ethan-1-one	0.778
5	T81	1-{4-[(5-bromothiophen-2-yl)methyl]piperazin-1-yl}ethan-1-one	0.778
6	U1G	1-[4-(furan-2-carbonyl)piperazin-1-yl]ethan-1-one	0.778
7	SYX	(4-methylpiperazin-1-yl)[(2r)-oxolan-2-yl]methanone	0.765
8	WJM	2-[4-(furan-2-carbonyl)piperazin-1-yl]acetamide	0.737
9	U0Y	1-[4-(4-methylbenzene-1-carbonyl)piperazin-1-yl]ethan-1-one	0.700