CLASSIFICATION IS DETERMINED ACCORDING TO GIR'S 1 & 6 . CN: 29336940. COMPOUNDS CONTAINING AN UNFUSED IMADAZOLE RING (WHETHER OR NOT HYDROGENATED) IN THE STRUCTURE: METHENAMINE (INN) (HEXAMETHYLENETETRAMINE); 2,6-DI-TERT-BUTYL-4-[4,6-BIS(OCTYLTHIO)-1,3,5-TRIAZIN-2-YLAMINO]PHENOL