3-(2-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid

3-(3,4-二甲氧基苯基)-3-氧丙酸甲酯

methyl 2-acetyl-5-phenylpent-4-enoate

2-acetyl-3-phenyl-pent-4-enoic acid methyl ester

3-(4-氯苯基)-5-甲基-4-异噁唑羧酸甲酯