4,7-methano-1H-isoindole-1,3,8(2H)-trione, hexahydro-, (3aR,4R,7S,7aS)- InChI=1/C9H9NO3/c11-7-3-1-2-4(7)6-5(3)8(12)10-9(6)13/h3-6H,1-2H2,(H,10,12,13)/t3-,4+,5-,6 rel-(3aR,4R,7S,7aS)-hexahydro-1H-4,7-methanoisoindole-1,3,8-trione