Pyrimidine derivatives

Details Pyrimidine derivatives Pyrimidine derivatives

2007-12-25

2007-12-25

Wilson, James O. (Department: 1624)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C544S250000

Reexamination Certificate

active

10491680

ABSTRACT:
Pyrimidine derivatives of the formula (I) and physiologically acceptable salts thereof, in which R1, R2, R3, R4, W, X, Y and Z are as defined in claim1,exhibit phosphodiesterase V inhibition and can be employed for the treatment of diseases of the cardiovascular system and for the treatment and/or therapy of potency disorders

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