Supplier Page from Aladdin Scientific Corporation for (2,2'-Bipyridin)-4-ol
(2R)-2-methyloxane-2-carboxylic acid from Aladdin Scientific Corporation
CX42 from Aladdin Scientific Corporation
Fluorescein PEG NHS, FITC-PEG-NHS from Aladdin Scientific Corporation
SH-PEG-COOH from Aladdin Scientific Corporation