4,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml

2,2-Bis(4-hydroxyphenyl)hexafluoropropane, 1.2ml x 50ug/ml, methanol

a,a,a-Trifluorotoluene

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