Supplier Page from Aladdin Scientific Corporation for Bismuth subnitrate
(5-Trimethylsilanylethynyl-pyridin-2-yl)-carbamic acid tert-butyl ester from Aladdin Scientific Corporation
4-Amino-L-phenylalanine, HCl from Aladdin Scientific Corporation
N-(Azido-PEG2)-N-Boc-PEG4-t-butyl ester from Aladdin Scientific Corporation
Tetraethylammonium hydroxide solution from Aladdin Scientific Corporation