2-(4-Chlorobenzyl)-2-thiopseudourea hydrochloride 2-(p-Chlorobenzyl)isothiouronium chloride 42023-49-4 544-47-8 Carbamimidothioic acid, (4-chlorophenyl)methyl ester, monohydrochloride EINECS 208-871-0 Pseudourea, 2-(p-chlorobenzyl)-2-thio-, monohydrochloride p-Chlorobenzylpseudothiuronium chloride