渥曼青霉素

乙酸酐

(3S,3aS,5R,5bR,6S,11bR)-3,5-Dihydroxy-6-methoxymethyl-3a,5b-dimethyl-2,3,3a,4,5,5b,6,11b-octahydro-1H-7,10-dioxa-cyclopenta[j]acephenanthrylene-8,11-dione

4-雄烯-11β-醇-3,17-二酮