..................................................
..................................Durene ..................................................................................Isodurene
................1,2,4,5-tetramethylbenzene ............................................. 1,2,3,5-tetramethylbenzene
.......................a waxy substance ..............................................................................a liquid
a minor product of the Mobil synthetic petrol process ........................................m.p. -24oC
Durene is converted to isodurene using heat and a catalyst.
Another possible isomer, not mentioned in references, would be 1,2,3,4-tetramethylbenzene:
