1-Amino-9,10-dihydro-9,10-dioxoanthracene-2-carbaldehyde 2-((1-amino-9,10-dihydro-9,10-dioxo-2-anthryl)methylene)hydrazone 2-Anthracenecarboxaldehyde, 1-amino-9,10-dihydro-9,10-dioxo-, 2-((1-amino-9,10-dihydro-9,10-dioxo-2-anthracenyl)methylene)hydrazone 6409-68-3 EINECS 229-085-4