Mepyramine maleate 是一种组胺 H1 拮抗剂，对 H1、H2 和 H3 受体的Kd值分别为 0.8、5200 和大于 3000 nM，对 H1 受体的pKd值为 9.4。它是感冒药的常见成分，具有温和的催眠特性和局部麻醉作用，可用于胃肠外和局部过敏。

Pyrilamine maleate is a histamine H1 antagonist. It has mild hypnotic properties and some local anesthetic action and is used for allergies (including skin eruptions) both parenterally and locally. It is a common ingredient of cold remedies.

59-33-6

C21H27N3O5

401.463

吡拉明马来酸盐;Pyrilamine maleate;马来酸吡纳明

DMSO:40.2 mg/mL(100 mM)
Powder: -20°C for 3 years
In solvent: -80°C for 2 years