Supplier Page from Thermo Fisher Scientific for Methyl 4-(triphenylphosphonio)crotonate bromide, 98%
2-Ethyl-1-hexanol, 99% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific