1,4-Phthalazinedione, 2,3-dihydro-2-(4-methoxyphenyl)-, 4-hydrazone 2,3-Dihydro-2-(4-methoxyphenyl)-1,4-phthalazinedione 4-hydrazone 2-(4-Metoksyfenylo)-4-hydrazynoftalazynon-1 [Polish] 5-24-07-00567 (Beilstein Handbook Reference) 68763-93-9 BRN 0823388