1	GAG	3-hydroxyisoxazole-4-carboxylic acid	1.000
2	OXQ	4-hydroxy-1,2,5-oxadiazole-3-carboxylic acid	0.800
3	ES6	2-oxo-1,2-dihydropyridine-3-carboxylic acid	0.727
4	PKN	1h-pyrrole-3-carboxylic acid	0.700