6-(4-phenyl-1,2-dihydropyrazol-3-ylidene)cyclohexa-2,4-dien-1-one

hydrazine-N,N'-dicarboxylic acid bis-diphenylamide

4,4-二苯氨基脲

9,10-菲氢醌

4,5-dihydro-1H-pyridazin-6-one