5-苯基戊烷-2-烯-4--炔酸甲酯

6-phenyl-4-methylsulfanyl-2-oxo-2H-pyran

4-phenylbut-1-en-3-yne-1,1-dicarboxylic acid

5,5-dichloro-1-phenylpenta-2,4-dien-1-one

3,4-dihydro-6-phenylpyran-2-one