2,3b-Methano-3bH-cyclopenta(1,3)cyclopropa(1,2)benzene-4-carboxaldehyde, octahydro-7,7,8,8-tetramethyl- 59056-66-5 EINECS 261-581-6 Octahydro-7,7,8,8-tetramethyl-2,3b-methano-3bH-cyclopenta(1,3)cyclopropa(1,2)benzene-4-carbaldehyde Octahydro-7,7,8,8-tetramethyl-2,3b-methano-3bH-cyclopenta(1,3)cyclopropa(1,2)benzene-4-carboxaldehyde