Supplier Page from Aladdin Scientific Corporation for γ-Heptalactone
(S)-(+)-2,2-Dimethyl-5-oxo-1,3-dioxolane-4-acetic acid from Aladdin Scientific Corporation
2,3,4-Trifluorobenzonitrile from Aladdin Scientific Corporation
3-Formyl-4-isopropoxyphenylboronic acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
4-Bromo-1,2-diaminobenzene from Aladdin Scientific Corporation