2-庚酮

2,6-二甲基吡啶-3-醇

2-溴-1-(5-甲基呋喃-2-基)-乙酮

2-(methylamino)-1-(5-methyl-furan-2-yl)ethanol

1,6-dimethyl-3,4-dihydropyrrolo[1,2-a]pyrazine