1716-19-4 4-Hydroxy-3-methoxy-6-methyl-7-oxabicyclo(4.1.0)hept-3-ene-2,5-dione 7-Oxabicyclo(4.1.0)hept-3-ene-2,5-dione, 4-hydroxy-3-methoxy-6-methyl- BRN 1284792 Fumigatin-oxide