1-Ethyl-4-vinylpyridinium bromide polymers 25619-82-3 4-Ethenyl-1-ethylpyridinium bromide, homopolymer 60831-87-0 Poly(4-vinylpyridine) ethobromide Poly(vinylethylpyridinium bromide) Poly-4-vinyl-N-ethylpyridine Poly-N-ethyl-4-vinylpyridium bromide Pvpeb Pyridinium, 1-ethyl-4-vinyl-, bromide, polymers Pyridinium, 4-ethenyl-1-ethyl-, bromide, homopolymer (9CI)