Standards; Pharmaceutical/API Drug Impurities/Metabolites;
A leukotriene D4 antagonist. Used as an antiallergic, antiasthmatic, and vasodilator (cerebral). PDE inhibitor (non-selective).
Nishino, K., et al.: Japan J. Pharmacol., 33, 267 (1983), Ohashi, M., et al.: Arch. Int. Pharmacodyn., 280, 216 (1986), Armstead, W.M., et al.: J. Pharmacol., Exp. Ther., 244, 138 (1988),