1-Hexaminium, N,N,N-trimethyl-6-(2-propenylamino)-, chloride, polymer with (chloromethyl)oxirane, 2-propen-4-amine and N-2-propenyl-1-decanamine, hydrochloride 182815-44-7 CholestaGel Colesevelam hydrochloride GT 31-104 GT 31-104HB GT31-104 Welchol