Supplier Page from Aladdin Scientific Corporation for (2S)-3-(4-aminophenyl)-2-hydroxy-propanoic acid
1-Acetoxy-3-chloroacetone from Aladdin Scientific Corporation
4-Bromo-N-tert-butyl-3-(trifluoromethyl)benzenesulfonamide from Aladdin Scientific Corporation
Tazobactam acid from Aladdin Scientific Corporation
thieno[3,2-b]pyridine-6-carboxylic acid from Aladdin Scientific Corporation