(1S,2R,5R)-2,7,7-trimethylbicyclo[3.1.1]heptan-3-one;(1S,2R,5R)-2,6,6-trimethylnorpinan-3-one;(1S,2R,5R)-2,6,6-trimethyl-3-norpinanone;Isopinocamphone
(1S,2R,5R)-2,7,7-trimethylbicyclo[3.1.1]heptan-3-one