Supplier Page from Aladdin Scientific Corporation for Potassium carbonate
2,2′-Bis(di-p-tolylphosphino)-1,1′-binaphthyl from Aladdin Scientific Corporation
5-(Aminosulfonyl)-2-methylbenzoic acid from Aladdin Scientific Corporation
Sodium iodide from Aladdin Scientific Corporation
Tazobactam acid from Aladdin Scientific Corporation