FIELD: medicine, organic chemistry. SUBSTANCE: desired product has formula (I) 
, where R1 is CN-group or COOR-group, R is H or C1-C6 alkyl, R2 is H or OH group, R3 and R4 are C1-C6 alkyl, R5 is CN-group, R6 is H, R7 and R8 are H or CCOR group where R is H or C1-C6 alkyl, X-O. Desired product has cardiovascular action. EFFECT: improves quality of desired product.
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