Pyridine compounds useful as N-type calcium channel antagonists

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C514S235500, C514S253130, C514S318000, C514S343000, C514S355000, C514S356000, C540S597000, C544S124000, C544S365000, C546S194000, C546S279100, C546S316000, C546S321000

Reexamination Certificate

active

07494989

ABSTRACT:
Achiral pyrimidine derivatives and pyridine derivatives of the following formulae or analogs thereof have selective N-type calcium channel antagonistic activity and showed analgesic action when they were taken orally. They are useful as therapeutic agents for pains and various diseases associated with the N-type calcium channels.

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