Tetrabromo-o-chlorotoluene, 1.2ml x 50ug/ml, toluene

Azoxystrobin, 10.0 µg/ml, Ethyl acetate, 10ml

2,3,7,8-[37Cl4]-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

(2S)-Iopamidol-d8 (di-N-hydroxyisopropyl-d4),100 µg/mL,MeOH,1mL,