4-19-00-05221 (Beilstein Handbook Reference) 58086-32-1 7H-Furo(3',2':4,5)furo(2,3-c)xanthen-7-one, 3-alpha,12-dihydro-8-acetoxy-6-methoxy- 7H-Furo(3',2':4,5)furo(2,3-c)xanthen-7-one, 8-(acetyloxy)-3a,12c-dihydro-6-methoxy-, (3aR,12cS)- BRN 0061453 CCRIS 3232 O-Acetyl sterigmatocystin O-Acetylsterigmatocystin Sterigmatogystin, O-acetyl-