4-(4-硝基苯基)-二氢-3H-吡喃-2,6-二酮

1-(4-甲氧基苯基)-2-丁酮

2,3-dihydro-1H-cyclopenta[a]anthracene-6,11-dione

2,3-二氢-1H-环戊二烯并[b]蒽-5,10-二酮

蒿酮