3-phenyl-5-pyridin-3-yl-1H-pyrazolo[1,5-a]pyrimidin-7-one

2-phenyl-5-pyridin-3-yl-1H-pyrazolo[1,5-a]pyrimidin-7-one

2-氨基-1-吡啶-3-乙醇

1,3,5-三(3-吡啶基)-1,5-戊烷二酮

ethyl 3-pyridin-3-ylprop-2-ynoate