| abstract |
This invention relates to compounds of formula (I) wherein R1, R2, R3, R4, R5 and R5 and R6 are as described herein,which are cyclic guanylate monophosphate (cGMP)-specific phosphodiesterase type 5 inhibitors (PDE-5 inhibitors) that are useful in the treatment of hypertension and other disorders, to processes for their preparation, intermediates used in their preparation, to compositions containing them and the uses of said compounds and compositions. |