Supplier Page from Aladdin Scientific Corporation for Roxithromycin
5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt from Aladdin Scientific Corporation
di-Sodium tetraborate from Aladdin Scientific Corporation
O-tert-Butyl-L-threonine tert-Butyl Ester from Aladdin Scientific Corporation
Potassium chloride from Aladdin Scientific Corporation