Supplier Page from Thermo Fisher Scientific for 15-Azido-4,7,10,13-tetraoxapentadecanoic acid
2-Furoic acid, 98% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific