2-(2,3-dimethoxyphenyl)-4,4-dimethyl-5H-1,3-oxazole

2-(2,3-dimethoxyphenyl)-1,3-benzothiazole

(2-hydroxy-3-methoxyphenyl)-(2,4,6-trimethoxyphenyl)methanone

2,3-二甲氧基苯乙酮

1,3,5-三羟基-4-异戊二烯氧蒽酮