63679-98-1 N-Methyl-N-methallyl-2-(2-aminoethyl)isothiouronium sulfate Pseudourea, 2-(2-aminoethyl)-N-methyl-N-methallyl-2-thio-, hydrogen sulfate Pseudourea, 2-thio-, N-methyl-N-methallyl-2-(2-aminoethyl)-, sulfate USAF B-97