7-Hydroxymitragynine, 100μg/mL in MeOH, 1ml

Spirodiclofen, 10.0 µg/ml, Ethyl acetate, 10ml

2,2',3,3',4,4',5,5',6-Nonabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

2,3,4,5,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,