1,7,7-trimethylbicyclo[2.2.1]heptane 464-15-3 InChI=1/C10H18/c1-9(2)8-4-6-10(9,3)7-5-8/h8H,4-7H2,1-3H bicyclo[2.2.1]heptane, 1,7,7-trimethyl-