0995750-A1 is referenced by 36 patents and cites 3 patents.

There is provided compounds of formula IA and of formula IB, wherein R, R, R, R and A have meanings given in the description, which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3',5'-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.

Application Number
EP19990308156 19991015
Publication Number
0995750 (A1)
Application Date
October 15, 1999
Publication Date
April 26, 2000
Inventor
Wood Anthony
GB
Assignee
Pfizer
GB
Pfizer
US
IPC
C07D 401/14
C07D 487/00
C07D 401/00
C07D 231/00
A61P 37/00
A61P 35/00
A61P 27/00
A61P 15/00
A61K 31/5375
C07D 519/00
C07D 487/04
C07D 401/12
C07D 231/14
A61P 43/00
A61P 37/08
A61P 35/04
A61P 27/06
A61P 25/28
A61P 25/00
A61P 17/14
A61P 17/06
A61P 17/00
A61P 15/10
A61P 13/10
A61P 13/08
A61P 13/00
A61P 11/06
A61P 11/00
A61P 09/12
A61P 09/10
A61P 09/00
A61P 01/00
A61K 31/5513
A61K 31/5377
A61K 31/519
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