Supplier Page from Thermo Fisher Scientific for µb-Propiolactone, 97%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific