(5alpha,6beta)-6-(Acetylthio)-17-(cyclopropylmethyl)-7,8-didehydro-4,5-epoxymorphinan-3-ol 129224-33-5 KT 89 KT-89 Morphinan-3-ol, 6-(acetylthio)-17-(cyclopropylmethyl)-7,8-didehydro-4,5-epoxy-, (5alpha,6beta)-