Supplier Page from Aladdin Scientific Corporation for 3-Amino-4-hydroxybenzoic acid
Hexamethonium hydroxide solution from Aladdin Scientific Corporation
O-tert-Butyl-L-threonine tert-Butyl Ester from Aladdin Scientific Corporation
Sodium phosphate dibasic dihydrate from Aladdin Scientific Corporation
Trimethylsilyl Methacrylate (stabilized with BHT) from Aladdin Scientific Corporation