2934202000
- Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
- Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused
- Di(benzothiazol-2-yl)disulphide; benzothiazole-2-thiol (mercaptobenzothiazole) and its salts