2,3-Dihydro-2-phenyl-4H-1-benzopyran-4-one hydrazone, 2,3-dihydro-2-phenyl-4-benzopyrone hydrazone, Flavanon-hydrazon, (2-PhenylchroMan-4-ylidene)hydrazine, 2-phenyl-chroman-4-one hydrazone,
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