
4-(Hydroxymethyl) Phenoxyacetic Acid (HMPA) on Aminoethyl Polystyrene Resins
This resin is derivatized from aminoethyl polystyrene by coupling with the TFA-labile 4-(hydroxymethyl)-phenoxyacetic acid linker and leading to a more acid stable linker-resin bond than the aminomethyl derivative.