4-ethoxy-7-methylchromen-2-one

1,3-diethoxy-2,2-bis(ethoxymethyl)propane

4-ethoxy-2,6-dimethylpyridine

4-乙氧基-2,3,5,6-四氟-(9CI)-吡啶

2,5-二乙基-1H-吡咯