Supplier Page from Aladdin Scientific Corporation for 4-Aminobenzoic acid sodium salt hydrate
(1R,2R)-(+)-1,2-Diphenylethylenediamine from Aladdin Scientific Corporation
ethyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate from Aladdin Scientific Corporation
GLP-1(28-36)amide from Aladdin Scientific Corporation
Pyrazine from Aladdin Scientific Corporation