Imazapyr, 100 µg/ml, Acetonitrile, 5ml

2,2',3,3',4,4',5,6,6'-Nonabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

D4-Prochloraz Metabolite BTS44596, 100 µg/ml, Ace

D7-Penicillin G N-Ethylpiperidinium salt, 10mg