4-n-butoxy-3-(benzyloxy)-N-(cyclopropylmethyl)-14-methoxymorphinan-6-one

1-chloroethyl (4bR,8aS,9R)-3-(benzyloxy)-4-butoxy-8a-methoxy-6-oxo-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene-11-carboxylate