alpha-HCH, 100 µg/ml, Ethyl acetate, 5ml

Gibberellic acid, 100 µg/ml, Acetonitrile, 5ml

2,2,3,4,4,5,6,6-Octachlorobiphenyl

4,4'-Bis(2-benzoxazolyl)stilbene, >97%, 25g