Methyl undecanoate

1,2,3,4-Tetrachloro[13C12]dibenzo-p-dioxin , 1.2ml x 50ug/ml, toluene

3,5-Dichlorobenzoic acid

Phosphatidylethanol-d5 ammonium salt,1000 µg free acid/mL,chloroform,1mL,