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

2,2',6,6'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 15968-05-5

a-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane

Azithromycin-d5, 0,5mg