4-醛基苯并环丁烯

苯并环丁烯酮

cis-1,2-dihydroxy-1,2-dihydrobenzocyclobutene

(1R,2S)-Bicyclo[4.2.0]octa-3,5-diene-1,2-diol

(2S,3R)-bicyclo[4.2.0]octa-1(6),4-diene-2,3-diol