9LC 9lc (4S,4aS,6aR,8R,9R,11E,12aR,14aS,17E,18aR,18bR)-9-ethyl-4,8,19-trihydroxy-11,12a,13,18a-tetramethyl-2,3,4,4a,6a,7,8,9,10,12a,13,14,18a,18b-tetradecahydro-14a,17-(metheno)cyclobuta[b]naphtho[2,1-j][1]azacyclotetradecine-16,18(1H,15H)-dione 9LC