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
Ésteres de ácidos fosfóricos u otros ácidos inorgánicos, excepto de halogenuros de hidrógeno, y sus sales; sus derivados halogenados, sulfonados, nitrados o nitrosados