Nalmefene hydrochloride

Chemical Name: (4R,4aS,7aS,12bS)-3-(Cyclopropylmethyl)-7-methylene-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,9-diol hydrochloride

Smile: O[C@@]1([C@](C2)([H])N(CC3CC3)CC[C@]14[C@@]5([H])OC6=C(O)C=CC2=C64)CCC5=C.Cl