Supplier Page from Aladdin Scientific Corporation for 5-Carbethoxyuracil
1,4-Bis(trimethylsilyl)butadiyne from Aladdin Scientific Corporation
1-[2-(Trimethylsilyl)ethoxycarbonyloxy]pyrrolidin-2,5-dione from Aladdin Scientific Corporation
di-Sodium tetraborate from Aladdin Scientific Corporation
Polymyxin B sulfate from Aladdin Scientific Corporation