2-chloro-2-phenylpropanedioyl dichloride

2-苯基-缩苹果酸单乙基酯

3-(2-phenylethenyl)chromen-4-one

1-O-ethyl 5-O-methyl (4S)-4-ethyl-4-phenylpent-2-enedioate

2-bromo-2-phenylpropanedioic acid