2,3,5-三甲基噻吩

1-(2-hydroxy-4,6-dimethoxyphenyl)propan-1-one

methyl (E)-3-anthracen-9-ylprop-2-enoate

1-hydroxy-3-methoxyxanthen-9-one

8-methyl-1H-pteridine-2,4,7-trione