HS 与 HTS 编码 - 化工上业 28 - 38

2920

Esters of other inorganic acids of non-metals (other than of hydrogen halides) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives

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

Nitrogen-function compounds, n.e.c. in chapter 29

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

2936

Provitamins, vitamins, natural or reproduced by synthesis (including natural concentrates) derivatives thereof used as vitamins, and intermixtures of the fore-going, whether or not in any solvent

2937

Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis, derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones.

2938

Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives

2939

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives