Synonyms:
5-(2,6-dichlorophenyl)-2-phenylsulfanylpyridazino[6,1-f]pyrimidin-6-one ; 6h-pyrimido[1,6-b]pyridazin-6-one, 5-(2,6-dichlorophenyl)-2-(phenylthio)- (9ci) ; 5-(2,6-dichlorophenyl)-2-(phenylsulfanyl)-6h-pyrimido[1,6-b]pyridazin-6-one ; 5-(2,6-dichlorophenyl)-2-(phenylthio)-6h-pyrimido[1,6-b]pyridazin-6-one