1	4XE	4-[2-oxo-2-(piperidin-1-yl)ethyl]piperazin-1-ium	1.000
2	4YD	(2r)-2-methyl-4-[2-oxo-2-(pyrrolidin-1-yl)ethyl]piperazin-1-ium	0.765
3	4YE	(2r)-4-[2-(2,3-dihydro-1h-indol-1-yl)-2-oxoethyl]-2-methylpiperazin-1-ium	0.700