40.2 Product Class 2: Nitroxyl Radicals (Nitroxides)
40.3 Product Class 3: Amine N-Oxides
40.4 Product Class 4: N-Haloamines
40.5 Product Class 5: Hydroxylamines
40.6 Product Class 6: 1-Oxa-2-azacycloalkanes
40.7 Product Class 7: Hydrazines and Hydrazinium Salts
40.8 Product Class 8: 1,2-Diazacycloalkanes
40.9 Product Class 9: Triazanes and Tetrazanes
40.10 Product Class 10: Amido Derivatives of Sulfanediol
40.11 Product Class 11: Amido Derivatives of Sulfurous Acid
40.12 Product Class 12: N-Alkylsulfamic Acids and Derivatives
40.13 Product Class 13: Ammoniumsulfonates, Thiohydroxylamines, and Aminosulfonium Salts