BENZYLDIMETHYLAMINE POLYMER BOUND;COPOLYMER OF STYRENE AND DIVINYLBENZENE, DIMETHYLAMINOMETHYLATED;DIMETHYLAMINOMETHYL POLYSTYRENE;DIMETHYLAMINE, POLYMER-BOUND;N,N-DIMETHYLAMINOMETHYL POLYSTYRENE;POLYSTYRENE CROSSLINKED WITH DIVINYLBENZENE, DIMETHYLAMINOMETHYLATED;N,N-Dimethylaminomethyl polystyrene, Dimethylaminomethyl polystyrene;Benzyldimethylamine polymer-bound, Polystyrene crosslinked with divinylbenzene, dimethylaminomethylated, Copolymer of styrene and divinylbenzene, dimethylaminomethylated