4-Bromoaniline, 100 µg/ml, Methanol, 5ml

Warfarin-d5 (phenyl-d5), 100µg/ml in MeOH, 1ml

D4-Menthol, 100 µg/ml, Methanol, 1ml

Heptachlor-endo-epoxide (trans-, isomer A), 10µg/ml in CY, 10ml