A morphinan derivative represented by the following formula (I), a tautomer or a stereoisomer of the compound, or a pharmaceutically acceptable salt thereof, or a solvate thereof, and a medicament, an analgesic and an antipruritic drug including the same as an active ingredient:
wherein R is selected from hydrogen and C1-6 alkyl, and n represents an integer of 0 to 2.
以下公式(I)表示的
吗啡喃衍
生物,该化合物的互变异构体或对映异构体,或其药物可接受的盐,或其溶剂化物,以及含有相同作为活性成分的药物,止痛药和抗瘙痒药:
其中R选自氢和C1-6烷基,n代表0到2的整数。