preferred_name: 2-PROPEN-1-YL (6R,6AR,7R,13S,14R,16R,20R)-5-(ACETYLOXY)-14-CYANO-6,6A,7,13,14,16-HEXAHYDRO-9-METHOXY-4,10-DIMETHYL-19-OXO-8-(2-PROPEN-1-YLOXY)-20-(((2,2,2-TRICHLOROETHOXY)CARBONYL)AMINO)-6,16-(EPITHIOPROPANOXYMETHANO)-7,13-IMINO-12H-1,3-DIOXOLO(7,8)ISOQUINO(3,2-B)(3)BENZAZOCINE-23-CARBOXYLATE