147742-03-8 Cajucarinolide Spiro(furan-3(2H),1'(7'H)-naphthalene)-2,7'-dione, 5-(2,5-dihydro-5-hydroxy-2-oxo-3-furanyl)-2',3',4,4',4'a,5,8',8'a-octahydro-2',5'-dimethyl-