Benzo(b)fluoranthene, 10µg/ml in Acetonitrile, 10m

D2-Maleic hydrazide, 10mg

3-Bromo-2,7,8-trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2,4-DB-2-ethylhexyl ester, 250mg