19475-22-0 Benzyl-1 methyl-2 p-toluenesulfonyl-3 isothiouree [French] Carbamimidothioic acid, N'-((4-methylphenyl)sulfonyl)-N-(phenylmethyl)-, methyl ester Methyl N'-((4-methylphenyl)sulfonyl)-N-(phenylmethyl)carbamimidothioate