Methyl cis-8,11,14-eicosatrienoate C20:3, 10mg/ml in heptane, 1ml

Diclofenac sodium, 100 µg/ml, Methanol, 1ml

1,2,8,9-Tetrachloro(13C12)dibenzo-p-dioxin, 1.2mL x 50ug/mL, toluene

Arylsulfatase from Red Abalone