Supplier Page from Thermo Fisher Scientific for 3-[2-(Dimethylamino)ethylcarbamoyl]benzeneboronic acid, 96%
4-Fluoroaniline, 98% from Thermo Fisher Scientific
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific