IUPAC:(9S,15S,19S,20aR)-15,18-dihydroxy-19-methoxy-2-methyl-9-phenyl-7H,8H,9H,10H,13H,14H,15H,16H,17H,19H,20H,20aH-cyclopenta[i]azacyclononadecane-7,17-dione
IUPAC:(9S,15S,19S,20aR)-15,18-dihydroxy-19-methoxy-2-methyl-9-phenyl-7H,8H,9H,10H,13H,14H,15H,16H,17H,19H,20H,20aH-cyclopenta[i]azacyclononadecane-7,17-dione