2909191000
- Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives
- Acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives
- Other
- Tert-butyl ethyl ether (ethyl-tertio-butyl-ether, ETBE)