Supplier Page from Aladdin Scientific Corporation for (4R)-1-tert-butoxycarbonyl-2,2-dimethyl-piperidine-4-carboxylic acid
2-(3-Chloropropoxy)tetrahydro-2H-pyran from Aladdin Scientific Corporation
D-Glutamic acid from Aladdin Scientific Corporation
Fluorescein PEG NHS, FITC-PEG-NHS from Aladdin Scientific Corporation
tert-Butyl vinylcarbamate from Aladdin Scientific Corporation