(E)-4-hydroxy-7,8-dimethoxy-3-(3-methylbut-1-en-1-yl)quinolin-2(1H)-one

4,7,8-trimethoxy-1-methyl-3-(3-methylbut-2-enyl)quinolin-2-one

7,8-dimethoxy-3,4,5,6-tetrahydro-2,2,6-trimethyl-5-oxo-2H-pyrano[3,2-c]quinoline

3-甲基-2-丁烯醛

8,9-dimethoxy-2,2,6-trimethyl-2,6-dihydro-pyrano[3,2-c]quinolin-5-one