Supplier Page from Aladdin Scientific Corporation for DL-Tryptophan octyl ester hydrochloride
(S)-(+)-2,2-Dimethyl-5-oxo-1,3-dioxolane-4-acetic acid from Aladdin Scientific Corporation
3-Chloro-2-methoxyphenylboronic acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
3'-Fluoro-4'-hydroxyacetophenone from Aladdin Scientific Corporation
N-Cyclopropyl-4-aminobenzylamine from Aladdin Scientific Corporation