DERIVATIES OF 1,2,3,4-TETRAHYDROBENZFURO3,2-CPYRIDINE OR CHLOROHYDRATE DISPLAYING CERTAIN PROPERTIES OF ANALGETICS AND MORPHINE ANTAGONISTS

摘要

derivatives of 1, 2, 3, u0442u0435u0442u0440u0430u0433u0438u0434u0440u043eu0431u0435u043du0437u043eu0444u0443u0440u043e z, 2nd u043fu0438u0440u0438u0434u0438u043du0430 ii or i, of the general formula ii hydrochloride u / r where 1a r r r3 ib r r ir r r (l r i. 1 rr r nh ch ii z r2. u0433u0441u0431u043d, r, r4 with u044cu043e h with u0440u00a0u0434u043eu043c properties of morphine analgesics and antagonists. ;