Text this: Diyne and bisalkynyl complexes of pentamethylcyclopentadienyliridium

 _    _      ___     _    _      ___      _____   
| \  / ||   / _ \\  | || | ||   / _ \\   /  ___|| 
|  \/  ||  / //\ \\ | || | ||  / //\ \\ | // __   
| .  . || |  ___  ||| \\_/ || |  ___  ||| \\_\ || 
|_|\/|_|| |_||  |_|| \____//  |_||  |_|| \____//  
`-`  `-`  `-`   `-`   `---`   `-`   `-`   `---`