Supplier Page from Aladdin Scientific Corporation for Poly-DL-lysine hydrobromide
Glycine benzyl ester p-toluenesulfonate salt from Aladdin Scientific Corporation
L-threo-Phenylserine from Aladdin Scientific Corporation
N-(2-Carboxybenzoyl)-(+)-10,2-camphorsultam from Aladdin Scientific Corporation
sodium 5-oxo-L-prolinate from Aladdin Scientific Corporation