Supplier Page from Thermo Fisher Scientific for Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt hydrate, tech. 85%
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific