Dimethylsildenafil is a derivative of the phosphodiesterase 5 (PDE5) inhibitor sildenafil .1
1.Nickum, E.A., and Flurer, C.L.Determination of phosphodiesterase-5 inhibitors and analogs using high-performance liquid chromatography with ultraviolet detectionJ. Chromatogr. Sci.53(1)38-46(2015)
















