2-methyl-2-phenyl-3H-chromen-4-one

1-(2-hydroxyphenyl)-3-pyridin-3-ylpropane-1,3-dione

1-(2-hydroxyphenyl)-3-pyridin-4-ylpropane-1,3-dione

1-(2-hydroxyphenyl)-3-quinolin-2-ylpropane-1,3-dione

2-(2-噻吩基)-色原酮