benzaldehyde,hydroxy,hydrazino,phthalazinyl,hydrazone,1-phthalazinyl
1-Phthalazinyl
62335-87-92-Naphthalenecarboxamide,N-[2-chloro-5-(3,4-dihydro-4-oxo-1-phthalazinyl)phenyl]-4-[(9,10-dihydro-9,10-dioxo-1-anthracenyl)azo]-3-hydroxy-
361444-17-9Acetic acid, chloro-,3,4-dihydro-4-oxo-3-phenyl-7-[(phenylamino)sulfonyl]-1-phthalazinylester