4,7-methano-1H-indene, 3a,4,7,7a-tetrahydro-1-methylene-, (3aR,4S,7R,7aS)- InChI=1/C11H12/c1-7-2-5-10-8-3-4-9(6-8)11(7)10/h2-5,8-11H,1,6H2/t8-,9+,10-,11+/m1/s rel-(3aR,4S,7R,7aS)-1-methylene-3a,4,7,7a-tetrahydro-1H-4,7-methanoindene