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White or almost white crystalline powder, odorless, bitter astringent taste, insoluble in water and ethanol.
As a cyclic guanosine monophosphate (cGMP) specific phosphodiesterase type 5 (PDE5) selective inhibitor, penile smooth muscle relaxation allows rapid erection.
Sildenafil is cheap, is the development and production of low-cost classes available kidney yang-like the perfect material for medicine and health products. pharmaceutical material.
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