(3R-(3alpha,3aalpha,4aalpha,8abeta,9aalpha))-3a,4a,5,8a,9,9a-Hexahydro-3-hydroxy-3,8a-dimethyl-5-methylenenaphtho(2,3-b)furan-2,6(3H,4H)-dione 33299-79-5 Naphtho(2,3-b)furan-2,6(3H,4H)-dione, 3a,4a,5,8a,9,9a-hexahydro-3-hydroxy-3,8a-dimethyl-5-methylene-, (3R-(3alpha,3aalpha,4aalpha,8abeta,9aalpha))-