Supplier Page from Thermo Fisher Scientific for 1,2,4,5-Tetrakis(bromomethyl)benzene, 95%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific