1 E0P Ethyl 2-amino-5-oxo-7-(propan-2-yl)-5h-[1]benzopyrano[2,3-B]pyridine-3-carboxylate 1.000 2 ANW 2-amino-7-(1-methylethyl)-5-oxo-5h-chromeno[2,3-B]pyridine-3-carboxylic acid 0.840 3 E0S 2-amino-5-oxo-7-(propan-2-yl)-N-(1h-tetrazol-5-yl)-5h-[1]benzopyrano[2,3-B]pyridine-3-carboxamide 0.700