Harmonized System
Section VI > Chapter 31 > Heading 3102 > 3102.30
… Ammonium nitrate, whether or not in aqueous solution …
Section VI > Chapter 33 > Heading 3301 > 3301.2
… Essential oils other than those of citrus fruit …
Section VI > Chapter 29 > Heading 2939 > 2939.1
… Alkaloids of opium and their derivatives; salts thereof …
Section VI > Chapter 29 > Heading 2939 > 2939.4
… Alkaloids of ephedra and their derivatives; salts thereof …
Section VI > Chapter 29 > Heading 2939 > 2939.20
… Alkaloids of cinchona and their derivatives; salts thereof …
Section VI > Chapter 29 > Heading 2939 > 2939.7 > 2939.72
… Cocaine, ecgonine; salts, esters and other derivatives thereof …
Section X > Chapter 47 > Heading 4706 > 4706.9 > 4706.93
… Obtained by a combination of mechanical and chemical processes …
Section XV > Chapter 72 > Heading 7204 > 7204.30
… Waste and scrap of tinned iron or steel …