10-Hydroxy-2-methyl-8-pentyl-1,2,3,4-tetrahydro-5H-(1)benzopyrano(4,3-c)pyrid-5-one 10344-38-4 5H-(1)Benzopyrano(4,3-c)pyrid-5-one, 1,2,3,4-tetrahydro-10-hydroxy-2-methyl-8-pentyl- BRN 0819190