Supplier Page from Aladdin Scientific Corporation for 2'-Hydroxy-3',4'-dimethoxyacetophenone
(6S)-4-oxo-5-azaspiro[2.4]heptane-6-carboxylic acid from Aladdin Scientific Corporation
5-Bromo-2-methylamino-3-nitro-4-picoline from Aladdin Scientific Corporation
Fluorescein PEG NHS, FITC-PEG-NHS from Aladdin Scientific Corporation
Pyrazine from Aladdin Scientific Corporation