The present invention pertains to Benzyl-substituted tetracyclic heterocyclic compounds of formula (I), as well as the resulting pharmaceutical compositions, and their use in the treatment or prophylaxis of diseases alleviated by inhibition of type 5 phosphodiesterases. Furthermore, the present invention pertains to the methods of manufacturing these Benzyl -substituted tetracyclic heterocyclic compounds.
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Page/Page column 166-167
(2010/04/03)
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