Supplier Page from Thermo Fisher Scientific for 2,3-Dimethylphenylboronic acid, 97%
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific