6,7-二甲氧基-3,4-二氢-异喹啉-1-酮

3-chloroisochromen-1-one

5-hydroxy-4,7-dimethylchromen-2-one

5-hydroxy-6-acetyl-4,7-dimethylcoumarin

2,5-二氯-3-苯基吡嗪