morpholines 4-[3-(4-tert-butylphenyl)-2-methylpropyl]-2,6-dimethylmorpholine CHEBI:50148 A member of the class of morpholines that is 2,6-dimethylmorpholine in which the hydrogen attached to the nitrogen is replaced by a 3-(<em>p</em>-<em>tert</em>-butylphenyl)-2-methylpropyl group.