o-Toluidine, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 95-53-4

Methabenzthiazuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18691-97-9

Chlortetracycline hydrochloride, 250mg

Picene, 50 µg/mL in Toluene, 1ml