Atrazine-2-hydroxy, 100µg/mL in MeOH, 1ml

n-Hexane, 5ml

Dibenz[a,h]anthracene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 13250-98-1

Pyruvic aldehyde