PHÂN CHƯƠNG IXSub-chapter
PHÂN CHƯƠNG IX — NITROGEN-FUNCTION COMPOUNDS
HỢP CHẤT CHỨC NITƠ
Codes under heading PHÂN CHƯƠNG IX
- 2921 Amine-function compounds
- 2922 Oxygen-function amino-compounds
- 2923 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined
- 2924 Carboxyamide-function compounds; amide-function compounds of carbonic acid
- 2925 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds
- 2926 Nitrile-function compounds
- 2927 Diazo-, azo- or azoxy-compounds
- 2928 Organic derivatives of hydrazine or of hydroxylamine
- 2929 Compounds with other nitrogen function
- 2930 Organo-sulphur compounds
- 2931 Other organo-inorganic compounds
- 2932 Heterocyclic compounds with oxygen hetero-atom(s) only
- 2933 Heterocyclic compounds with nitrogen hetero-atom(s) only
- 2934 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
- 2935 Sulphonamides
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