Supplier Page from Aladdin Scientific Corporation for α-Methylene-γ-butyrolactone
(2-Iodophenyl)methanamine from Aladdin Scientific Corporation
7-Bromo-1H-indazole from Aladdin Scientific Corporation
ethyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate from Aladdin Scientific Corporation
Fluorescein PEG NHS, FITC-PEG-NHS from Aladdin Scientific Corporation