Supplier Page from Thermo Fisher Scientific for Ethyl phenylpropiolate, 98%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific