Gibberellin A5, 10mg

2,3,4,5-Tetrabromobenzoic acid, 1.2ml x 50ug/ml, methanol

3,3',4,4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2-Bromo-3-chloropropene