顺丁烯二酸

ethyl 2-(2-nitrophenyl)-2-phenylpropanoate

N-(2-bromophenyl)-2-phenylacetamide

(R)-4-oxocyclopenten-2-enyl 2-phenylacetate

2-phenyl-2,3-dihydro-1H-cyclopenta[a]naphthalen-1-one