Supplier Page from Aladdin Scientific Corporation for Biotin-PEG24-TFP ester
2,6-Difluoro-3-methylbenzyl bromide from Aladdin Scientific Corporation
3-Chloro-2-methoxyphenylboronic acid (contains varying amounts of Anhydride) from Aladdin Scientific Corporation
4-oxa-7-azaspiro[2.5]octan-6-one from Aladdin Scientific Corporation
Ethyl chlorofluoroacetate from Aladdin Scientific Corporation