1-Anilino-9,10-dihydro-9,10-dioxo-2-anthroic acid 2-Anthracenecarboxylic acid, 9,10-dihydro-9,10-dioxo-1-(phenylamino)- 2-Anthroic acid, 1-anilino-9,10-dihydro-9,10-dioxo- 81-79-8 NSC7578 Red Violet 2RN Acid Anthraquinone