2-羟基-4-甲基喹啉

ethyl 4-methyl-2-oxoquinoline-1-carboxylate

2-[bis(methylsulfanyl)methylidene]-3-oxo-N-phenylbutanamide

3-甲基-3-吡唑啉-5-酮

4-氧代-N-苯基戊烷酰胺