Supplier Page from Aladdin Scientific Corporation for Boc-(R)-4-[2-(trifluoromethyl)benzyl]-L-proline
(S)-(+)-2,2-Dimethyl-5-oxo-1,3-dioxolane-4-acetic acid 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
Guanidine Sulfamate from Aladdin Scientific Corporation