1. The compound of the formula: where X is selected from: the residue of a ketone-containing active substance, where the hydrogen atom of the corresponding hydroxyl group of the enol tautomer of the ketone is replaced by a covalent bond with -C (O) -N [(cycle A) -Y] - (CRR) - NH-C (O) -CH (R) -N (R) - [C (O) -CH (R) -N (R)] - R； the remainder of the phenolic active substance, where the hydrogen atom of the corresponding phenolic hydroxyl group is replaced by a covalent bond with —C (O) —N [(cycle A) —Y] - (CRR) —NH — C (O) —CH (R) —N (R) - [C (O) —CH (R) - N (R)] - R； and the residue of the amide-containing active substance, where —C (O) —N [(cycle A) —Y] - (CRR) —NH — C (O) —CH (R) —N (R) - [C (O) -CH (R) -N (R)] - R is linked to an amide-containing active substance via oxygen of the amide group, where the amide group is converted to an amido-enol or imine tautomer； cycle A is a heterocyclic ring with 5-12 members； each Y independently selected from alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aryl, substituted aryl, acyl, substituted acyl, carboxyl, alkoxycarbonyl, substituted alkoxycarbonyl, aminoac l, substituted aminoacyl, amino group, substituted amino group, acylamino group, substituted acylamino group and cyano group； c is a number from zero to 3； each R is independently selected from hydrogen, alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aryl, substituted aryl , acyl, substituted acyl, carboxyl, alkoxycarbonyl, substituted alkoxycarbonyl, aminoacyl, substituted aminoacyl, amino group, substituted amino group, acylamino group, substituted acylamino group and cyano group； each R isimally selected from hydrogen, alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aryl, substituted1. Соединение формулы:где X выбран из:остатка кетон-содержащего действующего вещества, где атом водорода соответствующей гидроксильной группы енольного таутомера кетона
