Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
1-[[[(1R)-1-[3-[(2S,R)-2-[[(1-Carboxycyclopropyl)methyl]thio]-2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methylcyclopropaneacetic Acid is derived from Montelukast Methyl Ester (M568080), which is an impurity of the antiasthmatic drug Montelukast (M568000), a selective leukotriene D4-receptor antagonist. Used as an anti-asthmatic.