1	DVQ	2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanol	1.000
2	MJB	2-piperazin-1-ylethanol	0.750
3	DVK	2-[4-(4-azanylbutyl)piperazin-1-yl]ethanol	0.733
4	Q6U	1-[4-(prop-2-yn-1-yl)piperazin-1-yl]ethan-1-one	0.714
5	T8Y	1,1'-(piperazine-1,4-diyl)di(ethan-1-one)	0.714
6	250	(2r)-2-hydroxy-3-[4-(2-hydroxyethyl)piperazin-1-yl]propane-1-sulfonic acid	0.706