(2-(2-Benzimidazolylthio)ethyl)trimethylammonium bromide hydrobromide 18129-33-4 2-(2'-Trimethylaminoethylthio)benzimidazoline bromide hydrobromide AMMONIUM, (2-(2-BENZIMIDAZOLYLTHIO)ETHYL)TRIMETHYL-, BROMIDE, MONOHYDROBROMIDE