ZaprinastisacGMP-specificPDEinhibitorwhichmoderatelyinhibitsPDE5andPDE6.ItweaklyinhibitsPDE9,PDE10andPDE11.Sildenafil(Viagra™)wasdevelopedfromZaprinast,whichenhancesthevasodilatoryeffectsofnitricoxideinarangeofvasculartissuesbyprolongingthecGMP-mediatedactivationofcGMP-dependentproteinkinase.Also,GPR35isactivatedbyZaprinast.
≥98%byHPLC
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