58019-84-4 5H-(1)Benzopyrano(4,3-c)pyrid-5-one, 1,2,3,4-tetrahydro-8-(1,2-dimethylheptyl)-10-hydroxy- 8-(1,2-Dimethylheptyl)-10-hydroxy-1,2,3,4-tetrahydro-5H-(1)benzopyrano(4,3-c)pyrid-5-one BRN 1024109