Mefenpyr-diethyl, 100 µg/ml, Acetonitrile, 5ml

5 alpha(H)-Cholestan-3-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 566-88-1

Clonazepam-d4, , Solvent-, Unit , # of units-, Cas.no. 170082-15-2

2,3,4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,