FIELD: pharmaceuticals.
SUBSTANCE: invention relates to a DP receptor antagonist which is a compound of general formula (I), where R1, R2 -R6, R11, R12, L, J, m, n are defined in the claims, or a pharmaceutically acceptable salt thereof. The compounds are highly safe and can be used as active pharmaceutical ingredients in DP receptor mediated diseases.
EFFECT: compound represented by the general formula (I) and a pharmaceutically acceptable salt thereof also have a good ability to penetrate into the central nervous system, and thus are particularly useful as a prophylactic and/or therapeutic agent for diseases associated with DP receptors present in the central nervous system, in particular disturbances in sleep and wakefulness.
14 cl, 2 tbl, 22 ex
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