((1R,6S)-bicyclo[4.2.0]octa-3,7-diene-1,6-diyl)bis(methylene) bis(4-methylbenzenesulfonate)

(1R,6S)-8-Oxa-tricyclo[4.3.2.01,6]undeca-3,10-diene

1-[1-Hydroxy-meth-(Z)-ylidene]-3a,7a-etheno-inden-2-one

Tricyclo[4.2.2.01,6]deca-2,4,9-triene-7-carboxylic acid methyl ester

7-Phenylselanyl-tricyclo[4.2.2.01,6]deca-2,4,9-triene-7-carboxylic acid methyl ester