Supplier Page from Aladdin Scientific Corporation for (3S,4R)-Tofacitinib
1-Acetoxy-3-chloroacetone from Aladdin Scientific Corporation
7-Bromo-1H-indazole from Aladdin Scientific Corporation
Dibenzofuran-1-boronic Acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
thieno[3,2-b]pyridine-6-carboxylic acid from Aladdin Scientific Corporation