Tetramisole hydrochloride is a white crystalline powder, odorless, with a bitter and astringent taste. Soluble in water, methanol, slightly soluble in ethanol, very slightly soluble in chloroform, insoluble in acetone. Tetramisole hydrochloride is an intermediate of levamisole hydrochloride, anthelm
Tadalafil, a selective and reversible inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase 5 (PDE5). When sexual stimulation results in the local release of nitric oxide, PDE5 is inhibited by Tadalafil, increasing cGMP levels in the corpus cavernosum, which causes smooth mus