1-(2-Chloroethyl)-3-methylbenzimidazolium chloride 1H-Benzimidazolium, 1-(2-chloroethyl)-3-methyl-, chloride 73698-39-2 Benzimidazolium, 1-(2-chloroethyl)-3-methyl-, chloride NSC87643 WLN: T56 BK DNJ B1 D2G &G