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abstract "substituted bicyclic pyrimidine-type pde-5 inhibitor prodrugs" Prodrugs of substituted bicyclic pyrimidine-type pde-5 inhibitors, pharmaceutically acceptable salts or stereoisomers thereof are provided. Also provided are methods of preparing such compounds prodrugs, pharmaceutical preparations, and pharmaceutical compositions, as well as a use of such compounds, pharmaceutical preparations, and pharmaceutical compositions in the manufacture of medicaments for the treatment and/or prophylaxis of sexual dysfunction and symptoms of sexual dysfunction. lower urinary tract. (i) |