Iohexol, 100 µg/ml in Acetonitrile, 5ml

Tylosin B, 10mg

Benzyl-n-butyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 93951-88-3

Butylate