1(4H)-Naphthalenone, 4-[[4-(dimethylamino)phenyl]imino]- 1(4H)-Naphthalenone, 4-[[p-(dimethylamino)phenyl]imino]- 1,4-Naphthoquinone imine, N-[p-(dimethylamino)phenyl]- 132-31-0 C.I. 49700 Indophenol blue N-(p-Dimethylaminophenyl)-1,4-naphthoquinoneimine NSC132125 Naphthol blue p-(Dimethylamino)phenyl-1,4-naphthoquinoneimine