Bis(2-ethylhexyl) adipate, 1000 µg/ml, Methanol,

5-Chloro-2-(2,4-dichloro[13C6]phenoxy)[13C6]phenol, 1.2ml x 50ug/ml, nonane

Potassium (K)

o-Toluidine, 100 µg/ml, Acetonitrile, 1ml