Supplier Page from Aladdin Scientific Corporation for Dithizone
5-Bromo-1-(phenylsulfonyl)-2-(trimethylsilyl)-1H-pyrrolo[2,3-b]pyridine from Aladdin Scientific Corporation
Ammonium nitrate -15N2 from Aladdin Scientific Corporation
Ethylenedithiobis(trimethylsilane) [Protecting Reagent for Aldehydes and Ketones] from Aladdin Scientific Corporation
Potassium methoxide solution from Aladdin Scientific Corporation