Aminotriazine derivative and pharmaceutical composition comprising the same
AssigneeShionogi & Co., Ltd.
InventorHiroyuki KAI
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Abstract
The present invention provides novel compounds having a P2X3 and/or P2X2/3 receptor antagonistic activity. A compound of Formula (I): wherein Ra and Rb, and Rd and Re are taken together to form oxo or the like; R4a and R4b are hydrogen or the like; n is 1 or the like; R2 is aryl or the like; s and s′ is 0 or the like; R9 and R9′ are halogen or the like; R20a and R20b are hydrogen, alkyl or the like; u is 1 to 4; R13 is hydrogen or the like, or its pharmaceutically acceptable salt.
Claims5
1-22. (canceled)
A method for treating and/or preventing pain, comprising administering to a person in need thereof a pharmaceutically effective amount of a compound:
- or its pharmaceutically acceptable salt.
Dependencies are inferred from the claim text.