Synonyms: | 2',4,6-Trimethoxy-6'-methyl-3H,4'H-spiro[1-benzofuran-2,1'-cyclohex[2]ene]-3,4'-dione;2',4,6-Trimethoxy-6'-methylspiro(benzofuran-2(3H),1'-(2)cyclohexene)-3,4'-dione;Spiro(benzofuran-2(3H),1'-(2)cyclohexene)-3,4'-dione, 2',4,6-trimethoxy-6'-methyl-;Spiro[benzofuran-2(3H),1'-[2]cyclohexene]-3,4'-dione, 2',4,6-trimethoxy-6'-methyl-;spiro[benzofuran-2(3H),1'-cyclohex[2]ene]-3,4'-dione, 2',4,6-trimethoxy-6'-methyl- |