3-hydroxy-6-phenylphenanthridines as pde-4 inhibitors

Details 3-hydroxy-6-phenylphenanthridines as pde-4 inhibitors 3-hydroxy-6-phenylphenanthridines as pde-4 inhibitors

2003-08-29

2008-09-09

Desai, Rita J (Department: 1625)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

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

C546S101000

Reexamination Certificate

active

07423046

ABSTRACT:
Compounds of formula (I), in which R1, R2, R3, R4, R5, R6 and R7 have the meaning indicated in the description, are novel effective PDE4 inhibitors.

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