1,4-二丁氧基丁烷

1-bromo-4-butoxybutane

1-nitro-3-[4-(3-nitrophenoxy)butoxy]benzene

2-(4-bromobutylsulfanyl)-4,6-dimethylpyrimidine

2-[4-(4,6-dimethylpyrimidin-2-yl)sulfanylbutylsulfanyl]-4,6-dimethylpyrimidine