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Harmonized System
Section VI > Chapter 29 > Heading 2933 > 2933.3 > 2933.31
… Pyridine and its salts …
Section VI > Chapter 29 > Heading 2933 > 2933.3 > 2933.32
… Piperidine and its salts …
Section VI > Chapter 28 > Heading 2835 > 2835.2 > 2835.25
… Calcium hydrogenorthophosphate («dicalcium phosphate») …
Section VI > Chapter 28 > Heading 2826 > 2826.30
… Sodium hexafluoroaluminate (synthetic cryolite) …
Section VI > Chapter 29 > Heading 2922 > 2922.1 > 2922.12
… Diethanolamine and its salts …
Section VI > Chapter 28 > Heading 2815 > 2815.1
… Sodium hydroxide (caustic soda) …
Section VI > Chapter 29 > Heading 2919 > 2919.10
… Tris(2,3-dibromopropyl) phosphate …
Section VI > Chapter 29 > Heading 2903 > 2903.7 > 2903.73
… Dichlorofluoroethanes (HCFC-141, 141b) …