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(11)    Patent No :    AP 2227   
(21)    Application No :    AP/P/2006/003591   
(22)    Filing Date :    12.11.2004   
(24)    Date of Grant &    29.03.2011   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
GB    0327319.0    24.11.2003

(84)    Designated State

GM    GH    KE   LS   MW  MZ   SL   SD   SZ
T Z    UG    ZW
 

(73) Applicant(s)

PFIZER INC., 235 East 42nd Street , New York, New York 10017,
United States of America


(72) Inventors

BELL Andrew Simon, United Kingdom

BROWN David Graham, United Kingdom

DACK Kevin, Neil, United Kingdom

et al

(74) Representative

GALLOWAY & COMPANY

ZIMBABWE
 
(51)  International  Classification   C07D487/04 (2006.01)    C07D487/00 (2006.01)


(54)    Title

5,7- diaminopyrazolo [4,3-d]pyrimidines with PDE-5 inhibiting acitivity.

(57)    Abstract

This invention relates to compounds of formula (I)

(56)    Documents Cited :    WO 02 00660 A   WO 04 096810 A   WO 00 24745 A

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