<unk> , also known as ethoxyethane, ethyl ether, sulfuric ether, or simply ether, is an organic compound in the ether class with the formula (C2H5)2O.  It is a colorless, highly volatile flammable liquid. It is commonly used as a solvent and was once used as a general anesthetic. It has narcotic properties and has been known to cause temporary dependence, the only symptom of which is the will to consume more, sometimes referred to as etheromania.
Diethyl ether
Vinyl ether
Methyl tert-butyl ether
Pentafluoroethane
Tetrachloroethylene
Triphenylmethane
Chloroform
Isopropyl alcohol