24-Norchola-14,20,22-trien-3-one,7- (acetyloxy)-21,23-epoxy-6-hydroxy-4,4,8- trimethyl-,(5R,6R,7R,13R,17R)-
CAS No. 186892-52-4
tolypomycin Y 23412-26-2
NSC23159 23405-11-0