Synonyms: 2-Methyl-2-thiopeudourea sulfate;2-Methyl-2-thiopseudourea sulfate;S-Methylisothiuronium sulfate;S-Methylthiopseudourea sulfate;S-Methylthiouronium sulfate;Bis(S-methylthiouronium) sulphate;Pseudourea, 2-methyl-2-thio-, sulfate;Carbamimidothioic acid, methyl ester, sulfate (1:1) (9CI);2-Methyl-2-thiopseudourea monosulfate;2-Methylisothiouronium sulfate;Methyl thiopseudourea sulfate;S-Methylisothiourea sulfate (1:1);S-Methylpseudothiourea sulfate;S-Methylthiourea sulfate;S-Methylthiuronium sulfate;2-Methylisothiouronium hydrogen sulphate;Carbamimidothioic acid, methyl ester, sulfate (1:1);Pseudourea, 2-methyl-2-thio-, hydrogen sulfate;Pseudourea, 2-methyl-2-thio-, sulfate (1:1) (8CI);methyl carbamimidothioate sulfate (2:1);(amino-methylsulfanyl-methylene)ammonium sulfate