6-甲基-4-苯基-吡喃-2-酮

4-hydroxy-7-methylpyrano[3,2-c]pyran-2,5-dione

4-[4-(2,4-dichlorophenoxy)but-2-ynylsulfanyl]-6-methylpyran-2-one

6-methyl-4-(2-trimethylsilylethynyl)pyran-2-one

3-乙基-4-羟基-6-甲基-2H-吡喃-2-酮