Supplier Page from Aladdin Scientific Corporation for 5-Bromo-2-(methylthio)-4-methoxypyrimidine
(6S)-4-oxo-5-azaspiro[2.4]heptane-6-carboxylic acid from Aladdin Scientific Corporation
Fluorescein PEG NHS, FITC-PEG-NHS from Aladdin Scientific Corporation
rel-(1S,2S,5R)-6-oxo-3-azabicyclo[3.2.0]heptane-2-carboxylic acid;2,2,2-trifluoroacetic acid from Aladdin Scientific Corporation
SH-PEG-COOH from Aladdin Scientific Corporation