(3S,4S)-3-[2-(3-Methoxy-bicyclo[4.2.0]octa-1,3,5-trien-7-yl)-ethyl]-3-methyl-2-oxo-4-vinyl-cyclopentanecarboxylic acid methyl ester

3-Oxo-oct-7-enoic acid (1S,2R,3R,4S)-4,7,7-trimethyl-3-naphthalen-1-yl-bicyclo[2.2.1]hept-2-yl ester

(1S,5S)-2-Oxo-5-vinyl-cyclopentanecarboxylic acid (1S,2R,3R,4S)-4,7,7-trimethyl-3-naphthalen-1-yl-bicyclo[2.2.1]hept-2-yl ester

1-formyl-6-methoxy-3,4-dihydronaphthalene