Anhydroophiobolin

Anhydroophiobolin A

14,17- Epoxy-5-oxo-3, 7, 18-ophiobolatrien-21-al

(18R)-14,18-Epoxy-5-oxoophiobola-3,7,19-trien-25-al

(18R)-5-Oxo-14,18-epoxy-3,4-didehydroophiobola-7,19-diene-25-al