Supplier Page from Aladdin Scientific Corporation for 1-Ethylpyrazole-4-boronic acid (containing varying amounts of anhydride)
4-bromo-2-chloro-pyridin-3-amine from Aladdin Scientific Corporation
5-Amino-2-methylbenzothiazole dihydrochloride from Aladdin Scientific Corporation
CL-387785 from Aladdin Scientific Corporation
Propargyl bromide from Aladdin Scientific Corporation