Internal Standard Solution, 1.2ml, toluene

Diniconazole, 100 µg/ml, Acetone, 5ml

Pholcodine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 509-67-1

Clofibrate, 100 µg/ml, Acetonitrile, 1ml