Hydantoin derivatives for the treatment of obstructive...

Details Hydantoin derivatives for the treatment of obstructive... Hydantoin derivatives for the treatment of obstructive...

2011-08-02

2011-08-02

Balasubramanian, Venkataraman (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C544S333000, C544S242000, C514S256000, C514S269000, C514S275000

Reexamination Certificate

active

07989620

ABSTRACT:
The invention provides compounds of formula (I), wherein R1and R2are as defined in the specification; processes for their preparation; pharmaceutical compositions containing them; a process for preparing the pharmaceutical compositions; and their use in therapy.

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