2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-,diazotized,coupled with diazotized 2-[(4-aminophenyl)amino]-5-nitrobenzenesulfonic acid,diazotized 4-nitrobenzenamine and resorcinol,potassium so
2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-,diazotized,coupled with diazotized 2-[(4-aminophenyl)amino]-5-nitrobenzenesulfonic acid,diazotized 4-nitrobenzenamine and resorcinol,potassium so