Supplier Page from Thermo Fisher Scientific for 1-Propanephosphonic acid cyclic anhydride, 50 wt.% solution in dimethylformamide
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific