Supplier Page from Aladdin Scientific Corporation for (3S)-1-tert-butoxycarbonyl-4,4-difluoro-pyrrolidine-3-carboxylic acid
2,4-Difluorobenzenesulfonamide from Aladdin Scientific Corporation
6-bromo-hexanoic acid methyl ester from Aladdin Scientific Corporation
Ethyl chlorofluoroacetate from Aladdin Scientific Corporation
Itaconic acid from Aladdin Scientific Corporation