CAS: 171596-29-5
Product description:This strain of sildenafil by formylation reforming, genus phosphodiesterase type 5 inhibitor drugs. Corpora cavernosa during sexual stimulation of adrenergic neurons (NANC) and vascular endothelial nitric oxide synthase sinistral arginine catalytic synthesis of nitric oxide, nitric oxide activated guanosine synthesis increases, causing corpus cavernosum smooth muscle and small penis artery smooth muscle relaxation, cavernous sinus blood into the penis, penis erection.