Synonyms: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized aniline and Dyer’s mulberry extract, sodium salts;2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with C.I. Natural Yellow 11 and diazotized aniline, sodium salts