35764-55-7 7,8-Didehydro-4,5-epoxy-17-methyl- (5alpha,6alpha)morphinan-3,6-diol 3-(hydrogen sulfate) Morphinan-3,6-diol, 7,8-didehydro-4,5-epoxy-17-methyl- (5alpha,6alpha)-, 3-(hydrogen sulfate)