发明授权
US06753427B2 7-oxo-pyridopyrimidines (II) 失效
7-氧代 - 吡啶并嘧啶(II)

7-oxo-pyridopyrimidines (II)
摘要:
The present invention provides compounds of the formula: a prodrug or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3 and Ar1 are those defined herein, and methods for preparation and uses thereof.
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