Etoricoxib Impurity 41

Etoricoxib Impurity 35

Etoricoxib Impurity 27

Etoricoxib Impurity 47

Etoricoxib Impurity 29

Etoricoxib Impurity 22

2,5-Anhydro-1,3,4-trideoxy-2-(2,4-difluorophenyl)-4-({4-[3-(4-{1-[(2S,3S)-2-hydroxy-3-pentanyl]-5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl}phenyl)-1-imidazolidinyl]phenoxy}methyl)-1-(1H-1,2,4-triazol-1-yl)-D-threo-pentitol