Pyrido[2,3-d]pyridazine-5,8-dione, 6,7-dihydro-
6,7-Dihydropyrido[2,3-d]pyridazine-5,8-dione
6,7-Diaza-5,8-dioxo-5,6,7,8-tetrahydroquinoline
2,3-Pyridinedicarboxylic acid, cyclic hydrazide
Pyrido[2,3-d]pyridazine-5,8-diol
Quinolinic hydrazide
NSC 131213
NSC 131226
NSC 3846