Also Called: 2H-Benzimidazole-2-thione, 1,3-dihydro-4(or 5)-methyl-;1,3-Dihydro-4(or 5)-methyl-2H-benzimidazole-2-thione;1,3-Dihydro-4(oder-5)-methyl-2H-benzimidazol-2-thion;2-mercaptotoluimidazole;2-mercapto-4(or 5)-methylbenzimidazole (4- or 5-MeMBI);4(or 5)-methyl-2-mercaptobenzimidazole;2H-Benzimidazole-2-thione, 1,3-dihydro-4(or 5)-methyl_x0002_;2H-Benzimidazole-2-thione, 1,3-dihydro-4(or 5)-methyl;1,3-Dihydro-4(or 5)-methyl-2H-benzimidazole-2-thione, 2-mercaptotoluimidazole;2H-Benzimidazole-2-thione, 4(or 5)-methyl-