Supplier Page from Aladdin Scientific Corporation for Sodium bisulfite solution
4-Nitrophenyl hepta-O-acetyl-1-thio-β-lactoside from Aladdin Scientific Corporation
Biotin-XX hydrazide from Aladdin Scientific Corporation
DL-2,3-Diaminopropionic acid hydrochloride from Aladdin Scientific Corporation
Glycine n-octyl ester hydrochloride from Aladdin Scientific Corporation