1,2-Hydrazinedisulfonic acid, 1-(4-nitrophenyl)-, dipotassium salt

4-[[4-[[4-(dimethylamino)phenyl]methylideneamino]phenyl]iminomethyl]-N,N-dimethylaniline

乙醚

1-(4-nitrophenyl)pyrrolidine-2,5-dione

N,N'-(偶氮二-4,1-亚苯基)二乙酰胺