Subheading 290911: Ethers; Acyclic, and their Halogenated, Sulphonated, Nitrated … etc.
Subheading 290919: Ethers; Acyclic, and their Halogenated, Sulphonated, Nitrated … etc.
Subheading 290920: Ethers; Cyclanic, Cyclenic or Cycloterpenic and their Halogen … etc.
Subheading 290930: Ethers; Aromatic, and their Halogenated, Sulphonated, Nitrate … etc.
Subheading 290941: Ether-alcohols and their Halogenated, Sulphonated, Nitrated o … etc.
Subheading 290943: Ether-alcohols and their Halogenated, Sulphonated, Nitrated o … etc.
Subheading 290944: Ether-alcohols and their Halogenated, Sulphonated, Nitrated o … etc.
Subheading 290949: Ether-alcohols and their Halogenated, Sulphonated, Nitrated o … etc.
Subheading 290950: Ether-phenols, Ether-alcohol-phenols and their Halogenated, S … etc.
Subheading 290960: Alcohol Peroxides, Ether Peroxides, Acetal and Hemiacetal Per … etc.