Montelukast EP Impurity D / E

Chemical Name: 2-(1-((((R)-1-(3-((R)-1-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-2-(7-chloroquinolin-2-yl)ethyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid compound with 2-(1-((((R)-1-(3-((S)-1-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-2-(7-chloroquinolin-2-yl)ethyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid (1:1)

Smile: CC(C1=CC=CC=C1CC[C@@H](SCC2(CC2)CC(O)=O)C3=CC=CC([C@@H](SCC4(CC4)CC(O)=O)CC5=NC6=CC(Cl)=CC=C6C=C5)=C3)(C)O.CC(C7=CC=CC=C7CC[C@@H](SCC8(CC8)CC(O)=O)C9=CC=CC([C@H](SCC%10(CC%10)CC(O)=O)CC%11=NC%12=CC(Cl)=CC=C%12C=C%11)=C9)(C)O