Supplier Page from Aladdin Scientific Corporation for β-Amylase
(1R,2R)-(+)-1,2-Diphenylethylenediamine from Aladdin Scientific Corporation
4-oxa-7-azaspiro[2.5]octan-6-one from Aladdin Scientific Corporation
Pyrazine from Aladdin Scientific Corporation
Sodium benzene-1,3-disulfonate from Aladdin Scientific Corporation