| 英文同义词: | 4,5-Dihydro-4-methylenespiro[furan-2(3H),3'-[2]oxabicyclo[2.2.2]oct[5]ene]-6'-carbonitrile;4'-methylidenespiro[2-oxabicyclo[2.2.2]oct-5-ene-3,2'-oxolane]-6-carbonitrile;Spiro[furan-2(3H),3'-[2]oxabicyclo[2.2.2]oct[5]ene]-6'-carbonitrile, 4,5-dihydro-4-methylene- |