ethyl 5-(2-methyl-4-oxoquinazolin-3-yl)-1-phenylpyrazole-4-carboxylate

2-氨基-n-丁基苯甲酰胺

ethyl 1-methyl-5-(4-oxoquinazolin-3-yl)pyrazole-4-carboxylate

ethyl 5-(2-ethyl-4-oxoquinazolin-3-yl)-1-phenylpyrazole-4-carboxylate

5-甲基-2-(2-硝基苯基)-1,3-噁唑