Benzenesulfonic acid, 2-[(4-aminophenyl)amino]-5-nitro-, diazotized, coupled with 5,5-[(5-hydroxy-1,3-phenylene)bis(oxy)]bis[1,3-benzenediol], sodium salts
Benzenesulfonic acid, 5-amino-2-[(4-aminophenyl)amino]-, diazotized, coupled with 5,5-[(5-hydroxy-1,3-phenylene)bis(oxy)]bis[1,3-benzenediol], sodium salt