96910-25-7 D-Gluconamide, N-((4-ethenylphenyl)methyl)-4-O-beta-D-galactopyranosyl-, homopolymer Lactose-carrying polystyrene PVLA Poly (N-4-vinylbenzyl-lactonamide) Poly(vinylbenzyl gluconamide) Poly-N-4-vinylbenzyllactonamide