Isocaffeine (1,3,9-Trimethylxanthine),neat,neat,100mg,

Hexachlorocyclopentadiene, 100 µg/ml, Cyclohexane

1,2,3,4,6-Pentachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane

Butachlor, 100µg/ml in Acetonitrile, 1ml