9-Hydroxy-2,2-dimethyl-2,8-dihydro-7-(2,2-dimethyl-2H-1-benzopyran-6-yl)-1,5-dioxaphenanthren-8-one Structure

9-Hydroxy-2,2-dimethyl-2,8-dihydro-7-(2,2-dimethyl-2H-1-benzopyran-6-yl)-1,5-dioxaphenanthren-8-one

Preparation Products And Raw materials