(1'R,2'R,3aS,3"aS,8aR,8"aR)-(+)-3,3",3a,3"a,8,8",8a,8"a-Octahydrodispiro{2H-indeno[1,2-d]oxazole-2,1'-cyclohexane-2',2"-[2H]indeno[1,2-d]oxazole}

(1'R,2'R,3aS,3"aS,8aR,8"aR)-(+)-3,3",3a,3"a,8,8",8a,8"a-Octahydrodispiro{2H-indeno[1,2-d]oxazole-2,1'-cyclohexane-2',2"-[2H]indeno[1,2-d]oxazole}