17-cyclopropylmethyl-3-hydroxy-(5beta,7beta,3',5')-pyrrolidino-2'(S)-phenyl-7alpha-methyl-6,14-endoetheno morphinan
17-cyclopropylmethyl-3-hydroxy-(5beta,7beta,3',5')-pyrrolidino-2'(s)-phenyl-7alpha-methyl-6,14-endoetheno morphinan