spiro[tricyclo[5.2.1.02,6]deca-3,8-dien-5,1'-cyclopropane]

spiro[2.4]hepta-4,6-diene [endo-cyclopropanespiro-5-(tricyclo[5.2.1.02,6]deca-3,8-diene)-10-spirocyclopropane]

1-(1,3/1,4-cyclopentadiene-1-yl)-2-(triphenylgermyl)ethan

四丁基锡

2-(3-氟苯基)乙基溴