66322-19-8 | (3R,5'aS)-5-(3-Furanyl)-3',5',5'aβ,7',8',8'aβ-hexahydro-7'β-methylspiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]furan]-2,2'(4'H)-dione | (3R,5'aS)-5-(3-Furanyl)-3',5',5'aβ,7',8',8'aβ-hexahydro-7'β-methylspiro[furan-3(2H),6'-[6H]naphtho[1,8-bc]furan]-2,2'(4'H)-dione |