Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare - earth metals, of radioactive elements or isotopes 28 37 Cyanides, cyanide oxides and complex cyanides 28 37 20 Complex cyanides 28 37 20 00 Complex cyanides Commodity Code Description 28 37 20 00 000 Complex cyanides
