Nitrazine

(3E)-3-[(2,4-Dinitrophenyl)hydrazono]-4-oxo-3,4-dihydro-2,7-naphthalenedisulfonic acid

(3E)-3-[(2,4-Dinitrophenyl)hydrazono]-4-oxo-3,4-dihydro-2,7-naphthalindisulfonsäure

2,7-Naphthalenedisulfonic acid, 3-[2-(2,4-dinitrophenyl)hydrazinylidene]-3,4-dihydro-4-oxo-, (3E)-

Acide (3E)-3-[(2,4-dinitrophényl)hydrazono]-4-oxo-3,4-dihydro-2,7-naphtalènedisulfonique

Nitrazine

[Wiki]

phenaphthazine

1716-22-9

2,7-Naphthalenedisulfonicacid, 3-[2-(2,4-dinitrophenyl)diazenyl]-4-hydroxy-

2-((2,4-Dinitrophenyl)azo)-1-naphthol 3,6-disulfonic acid

3,6-Naphthalenedisulfonic acid, 2-((2,4-dinitrophenyl)azo)-1-hydroxy

3-((2,4-Dinitrophenyl)azo)-4-hydroxy-2,7-naphthalenedisulfonic acid

DNPNS

Nitrazol Yellow