1-Formylpyrene 1-PYRENECARBOXALDEHYDE 1-Pyrene carboxaldehyde 1-Pyrenealdehyde 3-Formylpyrene 3-Pyrenealdehyde 3-Pyrenecarboxaldehyde 3-Pyrenylaldehyde 3029-19-4 CCRIS 3163 EINECS 221-196-6 NSC 30811 Pyrene-1-aldehyde Pyrene-1-carbaldehyde