4-Amino-2´,3-dimethylazobenzene, certified, 0.25g

3,5,6-trichloro-2-pyridinol(4,5,6-13C3, 99%) cp 97%, 100µg/ml in Acetonitrile, 1,2ml

Chlorotoluron, 250mg

1,2:3,4-Diepoxybutane