1-phenyl-1H-pyrazolo<3,4-b>pyridin-6-yl acetate

(2-methoxy-phenyl)-(1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-methanone

7-methoxy-5-methylchromen-2-one

2,4-diphenyl-2H-furan-5-one

5-(5-oxo-2,4-diphenylfuran-2-yl)-3,5-diphenylfuran-2-one