环戊二烯

2-乙炔基甲苯

1H-茚-1-基三甲基-锡烷

(+/-)-((1R,2S,3S,4S)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-diyl)dimethanol

(2-endo,3-exo)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-bis(carbonyl chloride)