Fenthion-oxon, 100µg/ml in Cyclohexane, 5ml

Benzo(a)anthracene

2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

3-Methyl-d3-indole,100 µg/mL,MeOH,1mL