Griseofulvin EP Impurity B

Chemical Name: Dechlorogriseofulvin ; (1’S,6’R)-2’,4,6-Trimethoxy-6’-methylspiro[benzofuran-2(3H),1’-[2]cyclohexene]-3,4’-dione; (1’S-trans)-2’,4,6-Trimethoxy-6’-methylspiro[benzofuran-2(3H),1’-[2]cyclohexene]-3,4’-dione; 7-Dechlorogriseofulvin; Dechlorogriseofulvin; 7-Dechloro Griseofulvin

Smile: O=C(C=C1OC)CC(C)[C@@]21OC3=CC(OC)=CC(OC)=C3C2=O