英文名称
2-[2-(8-amino-3,6-dimethyl-1-oxonaphthalen-2-ylidene)hydrazinyl]naphthalene-1,5-disulfonic acid;6-[(5-amino-2-sulfophenyl)hydrazinylidene]-4,7-dimethyl-5-oxonaphthalene-2-sulfonic acid;2-[2-[3-methyl-6-(methylamino)-1-oxonaphthalen-2-ylidene]hydrazinyl]naphthalene-1,5-disulfonic acid