2?-Ethyl-18?(H)-Oleanane,neat,neat,Ca. 5 µg,

2H-Perfluoro-[1,2-13C2]-2-octenoic acid (6:2), 50µg/ml in Isopropanol, 1,2ml

Pyroxsulam, 100 ng/µl, 1ml

6-Chloronicotinic acid, certified, 0.1g