5.99.1.4	0.053	-	2-hydroxy-2H-chromene-2-carboxylate	
5.99.1.4	0.084	-	2-hydroxychromene-2-carboxylate	
5.99.1.4	0.138	-	(E)-2'-hydroxybenzylidenepyruvate	
5.99.1.4	0.23	-	2-hydroxychromene-2-carboxylate	
5.99.1.4	0.27	-	2-hydroxy-2H-chromene-2-carboxylate