1. A pharmaceutical composition comprising: a therapeutically effective amount of an active pharmaceutical ingredient (API), a compound represented by the following structural formula, at least one acidifying agent and a carrier base containing at least one pharmaceutically acceptable non-aqueous solvent, where n is an integer from 0 to 15, each R and R independently represents hydrogen, halogen, aliphatic group, heteroaliphatic group, aryl, heteroaryl； -OR； -C (O) R； -C (O) N (R)； -COR； -CN； -SCN； -SR； -SOR； -SOR； -NO； -N (R)； -NHR； -NRC (O) R or -C (R)； and where R in each case independently represents hydrogen, an aliphatic group, a heteroaliphatic group, an acyl moiety, an aryl moiety, a heteroaryl moiety, alkoxy； aryloxy； a fragment of alkylthio, arylthio, amino, alkylamino, dialkylamino, heteroaryloxy or heteroarylthio. 2. The pharmaceutical composition according to claim 1, wherein the at least one acidifying agent is selected from the group consisting of acetic acid, dehydroacetic acid, ascorbic acid, benzoic acid, boric acid, citric acid, edetic acid, hydrochloric acid, isostearic acid, stearic acid, lactic acid, nitric acid, oleic acid, phosphoric acid, sorbic acid, sulfuric acid, tartaric acid and undecylenic acid. 3. The pharmaceutical composition according to claim 1, wherein at least one pharmaceutically acceptable non-aqueous solvent is selected from the group consisting of ethanol, acetone, benzyl alcohol, 2- (2-ethoxyethoxy) ethanol, diethylene glycol monoethyl ether, glycerol, propylene glycol, propylene carbonate, acetone, hexylene glycol,1. Фармацевтическая композиция, содержащая:терапевтически эффективное количество активного фармацевтического ингредиента (API) - соединения, представленного следующей структурной формулойпо меньшей мере одно подкисляющее средство иоснование-носитель, содержащее по меньшей мере один фармацевтически приемлемый неводный растворитель, гдеn представляет собой целое число от 0 до 15,каждый Rи Rнезависимо представляет с
