1,2-Dihydro-4,4-dimethyl-7-(1,2-dimethylheptyl)-9-hydroxy-4H-thieno[2,3-c][1]benzopyran;7-(1,2-Dimethylheptyl)-1,2-dihydro-4,4-dimethyl-4H-thieno[2,3-c]benzopyran-9-ol
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