Sulfentrazone, 10.0 µg/ml, Acetonitrile, 10ml

2,2',4,4'-Tetrabromo-6-hydroxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

Selenium (Se)

Tonalide, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21145-77-7