Supplier Page from Aladdin Scientific Corporation for (5-Cyano-2-hydroxyphenyl)boronic acid
(1R,2R)-(+)-1,2-Diphenylethylenediamine from Aladdin Scientific Corporation
2,2,2-Trifluoroacetophenone from Aladdin Scientific Corporation
3-Formyl-4-isopropoxyphenylboronic acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
Tazobactam acid from Aladdin Scientific Corporation