英文名称:1,5-Naphthalenedisulfonic acid, 2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo-, reaction products with 2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo-1,4-benzenedisulfonic acid, 1,2-propanediamine and 2,4,6-trifluoro-1,3,5-triazine, sodium salts; 2-[(6-Amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-1,5-naphthalenedisulfonic acid reaction product with 2-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-1,4-benzenedisulfonic acid, 1,2-propane-diamine and 2,4,6-trifluoro-1,3,5-triazine, sodium salt