(E)-4-iodo-3-propyl-1-{2-[(triisopropylsilyl)ethynyl]pyridin-5-yl}-3-octen-1-yne

5-{3-[1-Iodo-1-trimethylsilanyl-meth-(Z)-ylidene]-hex-1-ynyl}-2-[(triisopropylsilanyl)-ethynyl]-pyridine

4-[6-((E)-3-Butyl-4-{6-[(triisopropylsilanyl)-ethynyl]-pyridin-3-ylethynyl}-hept-3-en-1-ynyl)-pyridin-3-yl]-2-methyl-but-3-yn-2-ol

2-ethynyl-5-(3-hydroxy-3-methyl-1-butynyl)pyridine

5-ethynyl-2-[(triisopropylsilyl)ethynyl]pyridine