9-Anthracenecarboxaldehyde; 9-Anthraldehyde, (9-Anthracenecarboxaldehyde); anthracene-9-carbaldehyde; 9-Formylanthracene; 9-Anthrylaldehyde; 9-Anthrylcarboxaldehyde; 9-ANTHRACENECARBALDEHYDE; AKOS B029849; AKOS BBS-00003154; A-9-A; Anthracene-9-Carboxaldehyde