CH3 CH3 4 CHCH CHCH 7,7-二甲基-2-乙基二环[22庚烷 2-Ethyl-7, 7-dimethylbicyclo[ 2.2.1 ] heptane 4 ①D ⑨D 三环32..024辛烷 TRicyclo 3. 2.1.0-JoctaneOrganic Chemistry Organic Chemistry Xiamen Xiamen University University CH 3 CH 3 CH 2CH 3 1 CH 2CH 3 2 2 3 4 5 6 7 3 4 1 5 6 7 8 7,7 -二甲基 - 2 -乙基二环[2.2.1]庚烷 2-Ethyl-7,7-dimet hylbicyclo[ 2.2.1]heptane 三环[3.2.1.02, 4 ]辛烷 T R i cycl o[3.2.1.02, 4]o c t a n e