Apixaban, 100μg/ml in MeOH, 1ml

DRO n-Hydrocarbon Standard, 2000µg/ml in MeChl, 1ml

Aromatic Fraction Peak Height Control Set (S-4029 + S-4030)

1,2,3,4,6,8,9-Heptachlorodibenzofuran, 1.2ml x 50ug/ml, toluene