27296-60-2 3-Benzyl-10-hydroxy-8-methyl-1,2,3,4-tetrahydro-5H-(1)benzopyrano(3,4-c)pyrid-5-one 5H-(1)Benzopyrano(3,4-c)pyrid-5-one, 1,2,3,4-tetrahydro-3-benzyl-10-hydroxy-8-methyl- BRN 0624401