201453 Phosphoric esters and their salts or esters of other inorganic acids (excluding esters of hydrogen halides) and their salts/ and their halogenated, sulphonated, nitrated or nitrosated derivatives
201453 Phosphoric esters and their salts or esters of other inorganic acids (excluding esters of hydrogen halides) and their salts/ and their halogenated, sulphonated, nitrated or nitrosated derivatives