18?(H)-22,29,30-Trisnorneohopane,neat,neat,ca. 5 µg,

Azelaic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 123-99-9

Dimethenamid-ESA sodium, 25mg

4-Aminobiphenyl, 100 µg/ml, Acetonitrile, 1ml