(1'S,6'R)-7-Chloro-4'-hydroxy-4,6-dimethoxy-6'-methyl-spiro[benzofuran-2(3H),1'-[3]cyclohexene]-2',3-dione;4'-O-Demethyl Griseofulvin
(1'S,6'R)-7-Chloro-4'-hydroxy-4,6-dimethoxy-6'-methyl-spiro[benzofuran-2(3H),1'-[3]cyclohexene]-2',3-dione;4'-O-Demethyl Griseofulvin