Code 2920 90
OTHER ESTERS OF OTHER INORGANIC ACIDS OF NON-METALS (EXCLUDING ESTERS OF HYDROGEN HALIDES) AND THEIR SALTS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES
OTHER ESTERS OF OTHER INORGANIC ACIDS OF NON-METALS (EXCLUDING ESTERS OF HYDROGEN HALIDES) AND THEIR SALTS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES