3-chloro-1H-benzofuro[3,2-c]pyrazole

苯硼酸

3-phenyl-8b-p-toluenesulfonylamido-3a,8b-dihydro-1H-benzofuro(3,2-c)pyrazole

2-benzoyl-3-p-toluenesulfonylamidobenzofuran

2-benzoylbenzofuran-3-one