英文同义词
(5E)-5-Ethylidenebicyclo[2.2.1]hept-2-ene;(E)-5-Ethylidene-2-norbornene;(E)-5-Ethylidenebicyclo[2.2.1]hept-2-ene;2-Norbornene, 5-ethylidene-, (E)-;5-ETHYLIDENE-2-NORBORNENE, (E)-;Bicyclo[2.2.1]hept-2-ene, 5-ethylidene-, (5E)-;Bicyclo[2.2.1]hept-2-ene, 5-ethylidene-, (E)-;trans-2-Ethylidene-5-norbornene;trans-5-Ethylidene-2-norbornene;trans-5-Ethylidenebicyclo[2.2.1]hept-2-ene