Synonyms: | 2,7-Naphthalenedisulfonicacid,3-[(2-arsonophenyl)azo]-4,5-dihydroxy-6-[(2-hydroxy-3,5-dinitrophenyl)azo]-(9CI); 2,7-Naphthalenedisulfonic acid,3-[(o-arsonophenyl)azo]-4,5-dihydroxy-6-[(2-hydroxy-3,5-dinitrophenyl)azo]-(8CI); Picramine arsenazo |