Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 35 Sulphonamides 29 35 20 N-Ethylperfluorooctane sulphonamide 29 35 20 00 N-Ethylperfluorooctane sulphonamide Commodity Code Description 29 35 20 00 000 N-Ethylperfluorooctane sulphonamide