Supplier Page from Aladdin Scientific Corporation for DL-Methionine
3-Buten-1-amine from Aladdin Scientific Corporation
4-Nitrophenyl phosphate disodium salt hexahydrate from Aladdin Scientific Corporation
Ammonium carbonate from Aladdin Scientific Corporation
Fmoc-Ala(β-cyclobutyl)-OH from Aladdin Scientific Corporation