642-31-9 9-Anthracenecarboxaldehyde 9-Anthraldehyde 9-Anthraldehyde (8CI) 9-Anthrylaldehyde 9-Anthrylcarboxaldehyde 9-Formylanthracene Anthracene-9-carbaldehyde CCRIS 3165 EINECS 211-383-0 NSC 15