Supplier Page from Aladdin Scientific Corporation for Alizarin red
1-[2-(Trimethylsilyl)ethoxycarbonyloxy]pyrrolidin-2,5-dione from Aladdin Scientific Corporation
Bromo-PEG4-azide from Aladdin Scientific Corporation
Fmoc-Ala(β-cyclobutyl)-OH from Aladdin Scientific Corporation
L-Asparagine Monohydrate from Aladdin Scientific Corporation