Synonyms: 2H-Benzimidazole-2-thione, 1,3-dihydro-4(or 5)-methyl-, zinc salt (2:1);Vulkanox ZMB 2;Vanox ZMTI;1,3-Dihydro-4(or 5)-methyl-2H-benzimidazole-2-thione, zinc salt;Zinc 2-mercaptotoluimidazole;Methyl-2-mercaptobenzimidazole, zinc salt;Nocrac MMBZ;4(5)-Methyl-2-mercaptobenzimidazole, zinc salt;