873874-02-3

1-Oxaspiro[4.4]nonane-3-carboxylic acid,6,9-diethenyl-3-(4-methoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)-2-oxo-,(1S,2R,4S)-1,7,7-trimethylbicyclo[2.2.1]hept-2-yl ester, (3S,6R,9R)-