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
Estri drugih anorganskih kislin nekovin (razen estrov vodikovih halogenidov) in njihove soli, in njihovi halogenirani sulfo-, nitro- ali nitrozo- derivati