2,5,5-trimethylcyclohexane-1,3-dione

1-甲氧基-4-苯氧基苯

1,3-二甲基-2,4-(1H,3H)-喹唑啉二酮

1-methyl-2,3,4,9-tetrahydro-1H-carbazole

(3R)-3-hydroxy-3-methyl-1H-indol-2-one