Endosulfan (alpha and beta), 100 ng/µl, 1ml

4-Hydroxybenzoic acid, 1000µg/mL in MeOH, 1ml

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

Chlorpropharm