butanone,phthalazinylhydrazone,1-phthalazinyl,phthalazinyl
1-Phthalazinyl
361444-17-9Acetic acid, chloro-,3,4-dihydro-4-oxo-3-phenyl-7-[(phenylamino)sulfonyl]-1-phthalazinylester
58370-67-52-Naphthalenecarboxamide,4-[[2-chloro-5-(3,4-dihydro-4-oxo-1-phthalazinyl)phenyl]azo]-3-hydroxy-N-phenyl-