abstract |
FORMULA I COMPOUNDS ARE PROVIDED: IN WHICH R1, R2, R3, R4, AND X HAVE THE MEANINGS GIVEN IN THE DESCRIPTIVE MEMORY, WHICH ARE USEFUL FOR THE HEALING AND PROFILACTIC TREATMENT OF A MEDICAL DISORDER FOR WHICH THE INHIBITION OF A GUANOSIN 3 '5' - PHOSPHODESTERASE CYCLIC MONOPHOSPHATE (FOR EXAMPLE cGMP PDE5). |