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190844-50-9((rac)-4,4'-dihydroxy-7,7'-dimethoxy-5,5'-dimethyl-2H,2'H-8,8'-bichromene-2,2'-dione)

(rac)-4,4'-dihydroxy-7,7'-dimethoxy-5,5'-dimethyl-2H,2'H-8,8'-bichromene-2,2'-dione

190844-50-9

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