4-((4-(diethylamino)phenyl)diazenyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one

2-((4-(diethylamino)phenyl)diazenyl)-1H-indene-1,3(2H)-dione

盐酸

乙醇

α-(p-diethylaminophenyl)iminophenylacetonitrile