Harmonized System
Section VI > Chapter 29 > Heading 2932
Heterocyclic compounds with oxygen hetero-atom(s) only.
Section VI > Chapter 29 > Heading 2932 > 2932.1
Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure
Section VI > Chapter 29 > Heading 2932 > 2932.1 > 2932.11
Tetrahydrofuran
Section VI > Chapter 29 > Heading 2932 > 2932.1 > 2932.12
2-Furaldehyde (furfuraldehyde)
Section VI > Chapter 29 > Heading 2932 > 2932.1 > 2932.13
Furfuryl alcohol and tetrahydrofurfuryl alcohol