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Formula
C21H28N6O4S
MW
468.50
Purity
>95%
Bio Chemical Notes
Metabolite of Sildenafil (KS-1112), a potent and selective inhibitor of PDE5, with a mean IC50 = 0.0039microM. Ref: International Journal of Impotence Research 1996; 8 (2); 47-52.