Drugs containing triazaspirol[5.0]undecane derivatives as the active ingredient.

摘要

A pharmaceutical composition for prevention and/or treatment for HIV infection or AIDS induced by the infection which comprises, as an active ingredient, a triazaspiroÄ5.5Üundecane derivative, a quaternary ammonium salt thereof, an N-oxide thereof, or a non-toxic salt thereof, and if necessary, it may be combined with at least one member of other agents for prevention and/or treatment for HIV infection (wherein all symbols are as defined in the specification.). The triazaspiroÄ5.5Üundecane derivatives, the quatemary ammonium salts thereof or the N-oxides thereof, or the non-toxic salts thereof are useful in preventing and/or treating HIV infection and AIDS induced by the infection.