1,3-dinitro-2-(2-phenylethynyl)benzene

2-(4-phenylbuta-1,3-diynyl)pyridine

2-(4-(pyridin-2-yl)buta-1,3-diynyl)pyridine

1-methoxy-4-(4-phenylbuta-1,3-diyn-1-yl)benzene

1-methoxy-4-[4-(4-methoxyphenyl)buta-1,3-diynyl]benzene