1,1,3,3-Tetramethyl-2-aminoethyl-isothiouronium dibromide 63680-18-2 Ammonium, dimethyl((dimethylamino)(2-aminoethylthio)methylene)-, bromide, hydrobromide Pseudourea, 2-(2-aminoethyl)-2-thio-1,3,3-trimethyl-, methylbromide, hydrobromide Pseudourea, 2-thio-, 1,1,3,3-tetramethyl-2-aminoethyl-, dibromide USAF B-92