Montelukast EP Impurity C

Chemical Name: [1-[[[1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfinyl]methyl]cyclopropyl]acetic acid (as per EP)

Smile: O=C(O)CC1(C[S@]([C@@H](C2=CC=CC(/C=C/C3=NC4=CC(Cl)=CC=C4C=C3)=C2)CCC5=CC=CC=C5C(C)(O)C)=O)CC1.O=C(O)CC6(C[S@@]([C@@H](C7=CC=CC(/C=C/C8=NC9=CC(Cl)=CC=C9C=C8)=C7)CCC%10=CC=CC=C%10C(C)(O)C)=O)CC6