Supplier Page from Thermo Fisher Scientific for Methyl 4-(triphenylphosphonio)crotonate bromide, 98%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific