324572-92-1

T 0156 Hydrochloride is a potent and selective phosphodiesterase type 5 inhibitor.

ChEBI: 2-[(2-methyl-4-pyridinyl)methyl]-1-oxo-8-(2-pyrimidinylmethoxy)-4-(3,4,5-trimethoxyphenyl)-2,7-naphthyridine-3-carboxylic acid methyl ester is a naphthyridine derivative.

Potent and selective inhibitor of phosphodiesterase type 5 (PDE5); more selective than sildenafil (IC 50 values are 0.23, 56 and > 63000 nM for T 0156 and 3.6, 29 and > 270 nM for sildenafil at PDE5, PDE6 and PDEs 1-4 respectively). Selective over 30 other enzymes and receptors (IC 50 > 10 mM) and potentiates electrical field stimulation-induced relaxation of isolated rabbit corpus cavernosum. Active in vivo .