Supplier Page from Aladdin Scientific Corporation for (1-(tert-Butoxycarbonyl)-1H-indol-5-yl)boronic acid
2,2,2-Trifluoroacetophenone from Aladdin Scientific Corporation
4-Bromo-1,2-diaminobenzene from Aladdin Scientific Corporation
Dibenzofuran-1-boronic Acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
Nickel bromide hydrate from Aladdin Scientific Corporation