2-ethoxy-3-(4-nitrophenyl)-5-phenyl-2H-1,3,4-oxadiazole

N,N'-bis(1,3-thiazol-2-yl)methanimidamide

3-[1,2,4]oxadiazol-3-yl-pyridin-2-ylamine

吡啶并[2,3-D]嘧啶-4-胺

2-(2-chlorophenyl)-1H-1,2,4-triazol-5-one