1	PZA	Pyrazine-2-carboxamide	1.000
2	NCA	Nicotinamide	0.800
3	VGL	Pyrazine-2-carboxylic acid	0.800
4	WM1	Pyridine-2-carboxamide	0.800
5	4FG	6-aminopyridine-3-carboxamide	0.727
6	8EJ	6-methylpyridine-3-carboxamide	0.727
7	8GC	3-carbamoyl-1-methylpyridin-1-ium	0.727
8	BRT	5-bromonicotinamide	0.727
9	NMJ	6-chloropyrazine-2-carboxylic acid	0.727
10	25R	2,5-dimethylpyrazine	0.700
11	APY	2-aminomethyl-pyridine	0.700
12	LPD	L-prolinamide	0.700
13	PR9	D-prolinamide	0.700
14	PYF	3-pyridinylcarbinol	0.700