2904 Sulphonated, Nitrated or Nitrosated Derivatives of Hydrocarbons, Whether or not Halogenated

2904 (01/1988-..) Sulphonated, Nitrated or Nitrosated Derivatives of Hydrocarbons, Whether or not Halogenated 29041000 (01/1988-..) Derivatives of Hydrocarbons Containing Only Sulpho Groups, Their Salts and Ethyl Esters 29042000 (01/1999-..) Derivatives of Hydrocarbons Containing Only Nitro or Nitroso Groups 29042010 (01/1988-12/1998) Trinitrotoluenes and Dinitronaphthalenes 29042090 (01/1988-12/1998) Derivatives of Hydrocarbons Containing Only Nitro or Nitroso Groups (Excl. Trinitrotoluenes and Dinitronaphthalenes) 29043100 (01/2017-..) Perfluorooctane Sulphonic Acid 29043200 (01/2017-..) Ammonium Perfluorooctane Sulphonate 29043300 (01/2017-..) Lithium Perfluorooctane Sulphonate 29043400 (01/2017-..) Potassium Perfluorooctane Sulphonate 29043500 (01/2017-..) Salts of Perfluorooctane Sulphonic Acid (Excl. Ammonium, Lithium and Potassium Perfluorooctane Sulphonates) 29043600 (01/2017-..) Perfluorooctane Sulphonyl Fluoride 29049010 (01/1988-12/1995) Sulphohalogenated Derivatives of Hydrocarbons 29049020 (01/1996-12/2008) Sulphohalogenated Derivatives of Hydrocarbons (Excl. Esters of Glycerol Formed With Acid-function Compounds) 29049040 (01/1998-12/2016) Trichloronitromethane `chloropicrin` 29049080 (01/1996-12/1997) Sulphonated, Nitrated or Nitrosated Derivatives of Hydrocarbons, Whether or not Halogenated (Excl. Those Containing Only Sulpho, Nitro or Nitroso Groups and Sulphohalogenated Derivatives and Esters of Glycerol Formed With Acid-function Compounds) 29049085 (01/1998-12/2008) Sulphonated, Nitrated or Nitrosated Derivatives of Hydrocarbons, Whether or not Halogenated (Excl. Those Containing Only Sulpho, Nitro or Nitroso Groups, and Sulphohalogenated Derivatives, Trichloronitromethane `chloropicrin` and Esters of Glycerol FormeD With Acid-function Compounds) 29049090 (01/1988-12/1995) Sulphonated, Nitrated or Nitrosated Derivatives of Hydrocarbons, Whether or not Halogenated (Excl. Those Containing Only Sulpho, Nitro or Nitroso Groups and Sulphohalogenated Derivatives) 29049095 (01/2009-12/2016) Sulphonated, Nitrated or Nitrosated Derivatives of Hydrocarbons, Whether or not Halogenated (Excl. Those Containing Only Sulpho, Nitro or Nitroso Groups, Trichloronitromethane `chloropicrin` and Esters of Glycerol Formed With Acid-function Compounds) 29049100 (01/2017-..) Trichloronitromethane `chloropicrin` 29049900 (01/2017-..) Sulphonated, Nitrated or Nitrosated Derivatives of Hydrocarbons, Whether or not Halogenated (Excl. Those Containing Only Sulpho, Nitro or Nitroso Groups, Trichloronitromethane `chloropicrin`, Perfluorooctane Sulphonic Acid and its Salts, Perfluorooctane Sulphonyl Fluoride and Esters of Glycerol Formed With Acid-function Compounds)