FIELD: chemistry.
SUBSTANCE: present invention relates to organic chemistry and specifically to novel biologically active indazole compounds: 3-(2-bromophenyl)-4,5,6,7-tetrahydroindazole hydrochloride (1a) and 3-benzyl-4,5,6,7-tetrahydroindazole hydrochloride (1b) of general formula: 
Ia, b (R=C6H4Br-2 (a), CH2C6H5 (b)). The invention also relates to an antimicrobial agent based on compounds of formula (1a) or (1b).
EFFECT: novel indazole derivatives having antibacterial activity are obtained.
2 cl, 1 tbl, 3 ex
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