(1S,4S)-1,5,5-trimethylbicyclo[2.2.1]heptan-2-one InChI=1/C10H16O/c1-9(2)6-10(3)5-7(9)4-8(10)11/h7H,4-6H2,1-3H3/t7-,10+/m1/s bicyclo[2.2.1]heptan-2-one, 1,5,5-trimethyl-, (1S,4S)-