Molsidomine is a long-acting vasodilating drug used to treat angina pectoris.

L-Arginine is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis.

DEN是一种极强的肝癌致癌物。细胞色素 P450 酶将亚硝胺代谢激活为活性亲电试剂，使其具有细胞毒性、致突变和致癌活性。

L-Arginine HCl is a substrate of NOS and a nonessential amino acid in human.