Examlex
Which of the following statements about Roman names is correct?
Dimethyl Ether
A colorless gas used as a propellant, refrigerant, and solvent, composed of two methyl groups bonded to an oxygen atom.
3-Ethylfuran
A heterocyclic organic compound with the formula C6H8O, featuring a furan ring with an ethyl substituent.
4,4-Dimethylpyran
A six-membered oxygen-containing heterocycle with two methyl groups attached to the fourth carbon.
Ethers
A class of organic compounds containing an oxygen atom connected to two alkyl or aryl groups.
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