Custom Calibration Standard

Irbesartan-d4 (2,3,5,6-phenyl-d4),ca. 100 µg/mL,MeOH,1mL,

1-n-Pentyl-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-31, Cas.no. 305347-17-5

Fenpropidin, 100 µg/ml, Cyclohexane, 5ml