Supplier Page from Thermo Fisher Scientific for 1-Propylphosphonic acid cyclic anhydride, 50+% soln. in DMF
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific