1-methoxy-4-[4-(4-methoxyphenoxy)but-2-ynoxy]benzene

1,4-二氨基-2-丁炔

2,7-dimethyloct-4-yne

1,4-双(1-羟基环己基)-1,3-丁二炔

2,3-二苄基-1,3-丁二烯