Harmonized System
Section VI > Chapter 29 > Heading 2920
Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives.
Section VI > Chapter 29 > Heading 2920 > 2920.1
Thiophosphoric esters (phosphorothioates) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives
Section VI > Chapter 29 > Heading 2920 > 2920.2
Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives
Section VI > Chapter 29 > Heading 2920 > 2920.1 > 2920.11
Parathion (ISO) and parathion-methyl (ISO) (methyl-parathion)
Section VI > Chapter 29 > Heading 2920 > 2920.2 > 2920.21
Dimethyl phosphite
Section VI > Chapter 29 > Heading 2920 > 2920.2 > 2920.22
Diethyl phosphite
Section VI > Chapter 29 > Heading 2920 > 2920.2 > 2920.23
Trimethyl phosphite
Section VI > Chapter 29 > Heading 2920 > 2920.2 > 2920.24
Triethyl phosphite