22897-08-1 5 or 7 Methoxysterigmatocystin 5-MS 5-Methoxysterigmatocysin 5-Methoxysterigmatocystin 7H-Furo[3',2':4,5]furo[2,3-c]xanthen-7-one, 3a,12c-dihydro-8-hydroxy-6,11-dimethoxy-, (3aR-cis)- NSC178249 STERIGMATOCYSTIN, 5 OR 7 METHOXY- Sterigmatocystin 5(7)-methoxy- Sterigmatocystin, 5(or 7)-methoxy-