1	PZA	Pyrazine-2-carboxamide	1.000
2	A1IIO	5-chloranylpyrazine-2-carbonitrile	0.800
3	NCA	Nicotinamide	0.800
4	VGL	Pyrazine-2-carboxylic acid	0.800
5	WM1	Pyridine-2-carboxamide	0.800
6	4FG	6-aminopyridine-3-carboxamide	0.727
7	8EJ	6-methylpyridine-3-carboxamide	0.727
8	8GC	3-carbamoyl-1-methylpyridin-1-ium	0.727
9	A1II4	5-chloranyl-6-methyl-pyrazine-2-carbonitrile	0.727
10	BRT	5-bromonicotinamide	0.727
11	NMJ	6-chloropyrazine-2-carboxylic acid	0.727
12	25R	2,5-dimethylpyrazine	0.700
13	APY	2-aminomethyl-pyridine	0.700
14	LPD	L-prolinamide	0.700
15	PR9	D-prolinamide	0.700
16	PYF	3-pyridinylcarbinol	0.700
17	XIE	Nicotinaldehyde	0.700