[R,E]-[[1-[3-[2-(7-chloro-2-quinolinyl)-2-(R)-[(carboxymethyl)cyclopropyl]methyl]thio]ethyl]phenyl]-3-[[[[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-cyclopropane acetic acid

(S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-isopropenylphenyl)propan-1-ol hydrochloride

montelukast (R)-(+)-1-(1-naphthyl)ethylamine salt