FIELD: organic chemistry.
SUBSTANCE: invention relates to a heterocyclic compound of formula (I) or a pharmaceutically acceptable salt thereof, where radicals A1-A5, A7-A10, R1-R10 and R6' have values given in the claim. Invention also relates to specific compounds, intermediate compounds of formula IIIb, an ALK inhibitor and a pharmaceutical composition based on the compound of formula (I).
EFFECT: obtaining a new benzocarbazole derivative effective in treating cancer.
16 cl, 49 tbl, 1218 ex
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