POLYSTYRENE POLYMERS AND USE AS PHARMACEUTICAL COMPOSITIONS
Polymers of structure (I): in which, R is a saturated or unsaturated C6 to C20 alkyl group; R and R are the same or different and are each C1-4alkyl; X is a physiologically acceptable counter ion; a, b and c are numbers which indicate the relative molar percentages of the units present in a random d...
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