Supplier Page from Aladdin Scientific Corporation for Potassium hydrogen carbonate
Fmoc-Ala(β-cyclobutyl)-OH from Aladdin Scientific Corporation
L-Alanamine Hydrochloride from Aladdin Scientific Corporation
N-(3-Indolylacetyl)-L-alanine from Aladdin Scientific Corporation
N-(Azido-PEG2)-N-Boc-PEG4-t-butyl ester from Aladdin Scientific Corporation