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(1981)2-(2'-methoxy-4'-hydroxy-6'-methylbenzoyl)-3-methoxy-5,8-dihydro-1,4-naphthoquinone
(1,4-Dihydroxy-5,8-dihydro-naphthalen-2-yl)-(4-hydroxy-2-methoxy-6-methyl-phenyl)-methanone
2-(4-Hydroxy-2-methoxy-6-methyl-benzoyl)-5,8-dihydro-[1,4]naphthoquinone
5,8-dihydroxy-2-(2'-hydroxy-4'-methoxy-6'-methylbenzoyl)naphthalene-1,4-diol
2-(2',4'-dimethoxy-6'-methylbenzoyl)-5,8-dihydronaphthalene-1,4-diol