Supplier Page from Aladdin Scientific Corporation for Spectinomycin 2HCl
3-(4-Pyridyl)-L-alanine Dihydrochloride from Aladdin Scientific Corporation
D-Norvaline from Aladdin Scientific Corporation
Glycyl-L-valine from Aladdin Scientific Corporation
Tetraheptylammonium bromide from Aladdin Scientific Corporation