Homovanillic acid, 25mg

Metformin-d6 hydrochloride (dimethyl-d6),100 µg/mL,MeOH,1mL,

D5-Ochratoxin A, 10.0 µg/ml, Acetonitrile, 1ml

rac 1,2-Bis-palmitoyl-3-chloropropanediol, 25mg