Not available,2-[1-[[1-[3-[2-[(7-chloro-2-quinolyl)]vinyl]phenyl]-3-[2-(1-hydroxy-1-methyl-ethyl- D6)phenyl]propyl]sulfanylmethyl] cyclopropyl]acetic acid sodium salt,Labelled Protionamide . An anti-tuberculosis agent. It has also been used to treat Leprosy. Antibacterial (tuberculostatic).;Labeled Montelukast, intended for use as an internal standard for the quantification of Montelukast by GC- or LC-mass spectrometry.,Montelukast Stable Isotopes