Supplier Page from Thermo Fisher Scientific for (Carbethoxyethylidene)triphenylphosphorane, ca. 94%, balance TPPO
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific