(1S)-4,5-二甲氧基-1-(甲基氨基乙基)苯并环丁烷

(S)-3,4-dimethoxy-bicyclo[4.2.0]octa-1,3,5-triene-7-carboxylic acid N-methyl-amide

4,5-二甲氧基-1-氰基苯并环丁烷

4,5-二甲氧基苯并环丁烷-1-甲酸

(R)-4,5-dimethoxy-1,2-dihydrocyclobutabenzene-1-carboxylic acid