13C18-Triphenyl phosphate, 1.2ml x 50ug/ml, toluene

Metribuzin, 100µg/mL in Acetonitrile, 1ml

1,2,3,4,7-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Stavudine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3056-17-5