Acetorphan

Racecadotril (Acetorphan) 是一种中性内肽酶 (NEP) 抑制剂，具有止泻作用。Racecadotril 及其活性代谢物 Thiorphan 抑制小鼠脑中纯化的NEP 活性，Ki 分别为 4500 和 6.1 nM。

Ambroxol-d5 is intended for use as an internal standard for the quantification of ambroxol by GC- or LC-MS. Ambroxol is an expectorant and active metabolite of bromhexine. It decreases short-circuit currents in electrically stimulated isolated canine tracheal epithelial cells when applied submucosally. Ambroxol decreases IL-13-induced production of mucin 5AC (MUC5AC) in primary human airway epithelial cells and inhibits IL-13-induced decreases in the mucociliary transport rate of endogenous particles in the same cells. Ambroxol increases phenol red secretion, a marker of expectorant activity, in mice when administered at doses of 30, 60, or 120 mg kg. Formulations containing ambroxol have been used in the treatment of acute or chronic respiratory conditions.