Cations Std. Level 3

d2 C27/C28 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. -/205529-81-3

1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane

Flumethasone,1000 µg /mL,MeOH,1mL,