2-(2-氨基苯基)-噁唑-4-羧酸乙酯

2-(2-甲氧基苯基)-噁唑-4-羧酸乙酯

ethyl 2,5-bis(4-methoxyphenyl)oxazole-4-carboxylate

2-(4-甲氧基苯基)-噁唑-4-羧酸乙酯

ethyl 2-(4-methoxybenzoyl)oxazole-4-carboxylate