英文别名dehydrogriseofulvin; AMudene; Griseofulvin ImpuritⅡ; Griseofulvin Dehydro Impurity; (S)-7-Chloro-2',4,6-trimethoxy-6'-methyl-3H-spiro[benzofuran-2,1'-cyclohexane]-2',5'-diene-3,4'-dione; (1'S)-7-Chloro-2',4,6-trimethoxy-6'-methylspiro[benzofuran-2(3H),1'-[2,5]cyclohexadiene]-3,4'-dione; (2S)-7-chloro-3',4,6-trimethoxy-5'-methylspiro[1-benzofuran-2,4'-cyclohexa-2,5-diene]-1',3-dione; Spiro[benzofuran-2(3H),1'-[2,5]cyclohexadiene]-3,4'-dione, 7-chloro-2',4,6-trimethoxy-6'-methyl-, (1'S)- 
