Synonyms: NSC297294;52546-79-9;(E)-(4-Methoxyphenyl)(1,2,4,5-tetraazaspiro(5.5)undec-2-en-3-yl)methanone hydrazone;(E)-(4-Methoxyphenyl)(1,2,4,5-tetraazaspiro[5.5]undec-2-en-3-yl)methanone hydrazone;AC1NUZPN;NSC 297294;[(Z)-(4-methoxyphenyl)-(7,8,10,11-tetrazaspiro[5.5]undec-10-en-9-ylidene)methyl]hydrazine