Atrazine-2-hydroxy-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,

Acetone, 5ml

Amitriptyline-d6 hydrochloride (N,N-dimethyl-d6),neat,neat,50mg

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene