Synonyms: Desmethylgriseofulvin;4-Demethylgriseofulvin;4-Desmethylgriseofulvin;AC1O55BQ;5128-41-6;7-chloro-4-hydroxy-3',6-dimethoxy-5'-methylspiro[1-benzofuran-2,4'-cyclohex-2-ene]-1',3-dione;Spiro(benzofuran-2(3H),1'-(2)cyclohexene)-3,4'-dione, 7-chloro-4-hydroxy-2',6-dimethoxy-6'-methyl-, (1'S-trans)-