Chlormequat-1,1,2,2-d4 chloride, 1000µg/ml in MeOH, 1ml

1,2,4,5-Tetrabromo-3,6-dimethylbenzene,50 µg/mL,isooctane,1mL,

1,2,4,5,8,9-Hexachloroundecane, 100µg/ml in Isooctane, 1ml

13C3-Caffeine, 100 µg/ml, Methanol, 1ml