Metformin-d6 hydrochloride (dimethyl-d6),neat,neat,10mg,

L-Ascorbic acid sodium, 100µg/ml in Acetonitrile,

1,5-Bis-(1-methylethyl)-biguanide HCl, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 45095-69-0

iso-Chloridazon, 100 µg/ml, Acetonitrile, 1ml