Purine derivatives

Details Purine derivatives Purine derivatives

2006-10-03

2006-10-03

Berch, Mark L. (Department: 1624)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Phosphorus containing other than solely as part of an...

C544S244000

Reexamination Certificate

active

07115589

ABSTRACT:
This invention relates to compounds of the general formula:in which RA, RB, RCand RDare as defined herein, and to their preparation and use. In these compounds, RBis an aliphatic, heteroaliphatic, aryl, or heteroaryl moiety which comprises one or more phosphorus-containing moieties.

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