Supplier Page from Thermo Fisher Scientific for 1-Propylphosphonic acid cyclic anhydride, 50+% soln. in DMF
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific