label: 6 beta-(N,N-bis(2-chloroethyl)amino)-17-(cyclopropylmethyl)-4,5 alpha-epoxy-3,14-dihydroxy morphinan
label_lc: 6 beta-(n,n-bis(2-chloroethyl)amino)-17-(cyclopropylmethyl)-4,5 alpha-epoxy-3,14-dihydroxy morphinan