ethyl 5-[(4-fluorophenyl)sulfanylmethyl]-1,2-oxazole-3-carboxylate

N'-(2-羟基乙基)-5-甲基-3-异恶唑甲酰肼

ethyl 5-(methylsulfanylmethyl)-1,2-oxazole-3-carboxylate

5-溴甲基异噁唑-3-甲酸乙酯

N',5-二甲基-1,2-恶唑-3-甲酰肼