4,7,20-trihydroxy-22,26-epoxyergosta-2,5,24-triene-1,26-dione
CAS No. 30655-42-6
Ergosta-2,5,24-trien-26-oicacid, 4b,7b,20,22-tetrahydroxy-1-oxo-, d-lactone, (22R)- (8CI); NSC179883