1	K7A	5-hydroxypyrazine-2,3-dicarboxylic acid	1.000
2	YQA	5-hydroxy,-4,5-dihydroquinolinate	0.857
3	NTM	Quinolinic acid	0.786
4	I7S	6-methylpyridine-2,3-dicarboxylic acid	0.733
5	QAS	6-mercaptopyridine-2,3-dicarboxylic acid	0.733
6	QAT	5-mercaptopyridine-2,3-dicarboxylic acid	0.733