4-amino-5-cyanopyrimidine derivatives

Details 4-amino-5-cyanopyrimidine derivatives 4-amino-5-cyanopyrimidine derivatives

2005-04-28

2010-11-16

Rao, Deepak (Department: 1624)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

C514S218000, C514S227800, C514S235800, C514S252140, C514S255050, C514S274000, C540S575000, C540S601000, C544S060000, C544S122000, C544S295000, C544S296000, C544S317000

Reexamination Certificate

active

07834002

ABSTRACT:
The present invention provides 4-amino-5-cyanopyrimidine derivatives of the formula: wherein R1, R2and R3are defined herein, or pharmaceutically acceptable salts thereof, having a safe and potent adenosine A2a receptor agonistic activity; and also provides an adenosine A2a receptor agonist, an intraocular pressure reducing agent, or a medicine for treating glaucoma, etc., which comprises the compound as an active ingredient.

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