Supplier Page from Aladdin Scientific Corporation for Citric acid monohydrate
(1R,2R)-(+)-1,2-Diphenylethylenediamine from Aladdin Scientific Corporation
5-(2-Chlorophenyl)isoxazole-3-carboxylic acid from Aladdin Scientific Corporation
Fluorescein PEG NHS, FITC-PEG-NHS from Aladdin Scientific Corporation
Tetryzoline from Aladdin Scientific Corporation