182266-57-5 Inflexusin B Spiro(isobenzofuran-4(1H),4'(3'H)-(1H-7,9a)methanocyclohepta(c)pyran)-1',9'(4'aH)-dione, decahydro-3-hydroxy-7a-methyl-8'-methylene-, (3R,3aR,4R,4'aS,7'S,7aR,9'aR)- Spiro(isobenzofuran-4(1H),4'(3'H)-(1H-7,9a)methanocyclohepta(c)pyran)-1',9'(4'aH)-dione, decahydro-3-hydroxy-7a-methyl-8'-methylene-, (4'R-(4'alpha(3R*,3aR*,7aR*),4'aalpha,7'alpha,9'aalpha))-