Ethofumesate-2-keto, 100 µg/ml, Cyclohexane, 1ml

Metoprolol tartrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56392-17-7

2,2',3,3',4,4',5,5',6-Nonabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 63387-28-0

2,2',3,3',4,4',6-Heptachlorobiphenyl (171)