D3-Mepiquat iodide, 100 µg/ml, Deuterium oxide,

3 Deuterated Compounds Internal Standard Mix 3 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Benzene-d6 39.7 Naphthalene-d8 20.9 Ethylbenzene-d 10 39.3

13C3-Cephacetrile, 10mg

Metformin-d6-HCl, 100μg/ml in MeOH, 5ml