Butafenacil, 100 µg/ml, Ethyl acetate, 5ml

Absinthin, 1mg

2,4,6-Tribromo[13C6]phenol, 1.2ml x 100ug/ml, toluene

1-(4-Isopropylphenly)-3-methylurea, 100µg/mL in Acetonitrile, 1ml