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- 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
- Aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives
- Other
- O,O,O-1,3,5-trimethylresorcinol (CAS RN 621-23-8)