201414 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated

20141450 Derivatives of hydrocarbon containing only sulpho groups/ their salts and ethyl esters 20141470 Derivatives of hydrocarbon containing only nitro or only nitroso groups 20141490 Derivatives of hydrocarbon (excluding those containing only sulpho groups/ their salts and ethyl esters, those containing only nitro or only nitroso groups)