Metsulfuron-methyl, 100 µg/ml, Acetonitrile, 5ml

(6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 187-83-7

Indeno(1,2,3-cd)pyrene, 1000µg/ml in Acetonitrile,

trans-Chlordane, 100 µg/ml, Ethyl acetate, 5ml