Synonyms:

7-disulfonic acid disodiuM salt;2,7-Anthracenedisulfonicacid, 9,10-dihydro-9,10-dioxo-, sodiuM salt (1:2);Anthraquinone-2,7-disulfonic acid disodium salt, >=80%;Disodium 9,10-anthraquinone-2,7-disulfonate;2,7-Anthracenedisulfonicacid,9,10-dihydro-9,10-dioxo-,disodiumsalt;disodium9,10-dihydro-9,10-dioxoanthracene-2,7-disulphonate;Sodiumanthraquinone-2,7-disulfonate;ANTHRAQUINONE-2,7-DISULFONIC ACID DISODIUM SALT

Canonical SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C3=C(C2=O)C=CC(=C3)S(=O)(=O)[O-].[Na+].[Na+]