[1,1′:4′,1′′:4′′,1′′′-Quaterphenyl]-3,3′′′,5,5′′′-tetracarboxaldehyde

[1,1′:4′,1′′:4′′,1′′′-Quaterphenyl]-3,3′′′,5,5′′′-tetracarboxaldehyde · CAS 2459652-59-4