1	449	4-carboxy-1,1-dimethylpiperidin-1-ium	1.000
2	MN1	4-carboxypiperidine	0.818
3	S3V	Pyridine-4-carboxylic acid	0.818
4	W3V	1-carbamoylpiperidine-4-carboxylic acid	0.769
5	4SV	3-aminopyridine-4-carboxylic acid	0.750
6	A1L9X	4-azanylpiperidine-4-carboxylic acid	0.750
7	AO4	2-chloropyridine-4-carboxylic acid	0.750
8	PY7	Pyridin-4-ylmethanol	0.727