Chlormequat-chloride D4, 100µg/mL in DO, 1ml

13C3-Atrazine-desethyl-desisopropyl, 100 µg/ml, M

U-(13C13)-Citrinin,10 µg/mL,acetonitrile,1.2mL

3-Methoxytyramine-d4 hydrochloride,100 µg base/mL,MeOH,1mL,