FIELD: medicine, pharmaceutics.
SUBSTANCE: there are described new tetracyclic compounds of general formula 
(I), wherein 
is a single or double bond; 
no bonds or a single bond; 
or 
V means N; T and X as shown in structure fragments above; U and W independently mean C or N with one of them shall be N; R3, R4, R5 and R6 - H; Rv is absent; Ru and Rw are independently absent or mean (C1-12)alkyl; Y =N-OR1 or NP'1, wherein R1 - H, (C1-12)alkyl optionally substituted by phenyl, phenyloxy, carboxy, (C1-12)alkoxy, (C1-12)alkoxycarbonyl, or (C2-12)alkenyl; R'1 is phenyl, or pharmaceutically acceptable salts thereof, or diastereomers thereof, or regioisomers thereof, or: mixtures thereof, a pharmaceutical composition containing them, and specific compounds for cysteine protease inhibition.
EFFECT: compounds may be used in medicine in treating cancer, neurodegenerative diseases, inflammatory disorders, cardiovascular diseases, etc.
8 cl, 1 tbl
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