16181-64-9 2-(2-(Methylamino)ethyl)-2-thiopseudourea dihydrobromide Carbamimidothioic acid, 2-(methylamino)ethyl ester, dihydrobromide N-Methyl-beta-aminoaethyl-isothiuronium dihydrobromid [German] Pseudourea, 2-(2-(methylamino)ethyl)-2-thio-, dihydrobromide S-(2-(Methylamino)ethyl)pseudothiourea dihydrobromide