Methylphenidate

1,2,3,4,6,7-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

4-Aminobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 92-67-1

2,2,5-Trimethylhexane