(7-Hydroxy-5-methoxy-2,2-dimethylchroman-8-yl)(methyl) ketone;1-(3,4-Dihydro-7-hydroxy-5-methoxy-2,2-dimethyl-2H-1-benzopyran-8-yl)ethanone;3,4-Dihydro-2,2-dimethyl-5-methoxy-8-acetyl-2H-1-benzopyran-7-ol;Dihydroalloevodionol
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