(Z)-4-hydroxy-2-oxo-N'-[2-oxo-3-(triphenyl-λ⁵-phosphanylidene)propanoyl]-4-phenylbut-3-enehydrazide

methyl 2-(3-oxo-5-phenylfuran-2-ylidene)acetate

3-benzhydrylidene-5-phenylfuran-2-one

2-苯甲酰基乙酰苯胺

2-oxo-3,6-diphenyl-2,3-dihydro-2λ4-[1,2,3]oxathiazin-4-one