112809-52-6

Iso Letrozole dibenzonitrile AMiodarone IMpurity-A AMiodarone IMpurity-B Letrozole EP Impurity A Letrozole USP Impurity A Letrozole USP iMpurities Letrozole Related CoMpound A 4,4'-((4H-1,2,4-Triazol-4-yl) Letrozole specified impurity A Letrozole USP Related Compound A 4,4'-(4H-1,3,4-TRIAZOL-4-YLMETHYLENE)BIS 4,4'-(1H-1,3,4-triazol-1-ylMethylene)dibenzonitrile 4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)BIS BENZONITRILE 4,4'-((4H-1,2,4-Triazol-4-yl)methylene)dibenzonitrile 4,4&#39-(1H-1,3,4-triazol-1-ylMethylene)dibenzonitrile Benzonitrile, 4,4'-(4H-1,2,4-triazol-4-ylmethylene)bis- 4-[(4-cyanophenyl)-(1,2,4-triazol-4-yl)methyl]benzonitrile Letrozole EP Impurity A (Letrozole USP Related Compound A) 4-[α-(4-cyano-phenyl)-1-(1,3,4-triazol-1-yl)-methyl]-benzonitrile Letrozole EP Impurity A/ Letrozole Related Compound A (Iso Letrozole)