Supplier Page from Thermo Fisher Scientific for N-Bromophthalimide, 98+%
2-Ethoxyethyl ether, 98+%, extra pure 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