3,4-bis(4-chlorophenyl)-6-oxo-1h-pyridazine-5-carbonitrile
CAS No. 75643-45-7
4-Pyridazinecarbonitrile, 5,6-bis(4-chlorophenyl)-2,3-dihydro-3-oxo-; 4-pyridazinecarbonitrile, 5,6-bis(4-chlorophenyl)-3-hydroxy-; 5,6-bis(4-chlorophenyl)-3-hydroxypyridazine-4-carbonitrile