1-Vinyl-2-(vinylthio)benzimidazole hydrochloride 1H-Benzimidazole, 1-ethenyl-2-(ethenylthio)-, monohydrochloride 66392-36-7 Benzimidazole, 1-vinyl-2-(vinylthio)-, hydrochloride N,S-Divinyl-2-mercaptobenzimidazole hydrochloride