1,2-bis(2-(3-hydroxy-3-methylbut-1-ynyl)-1,5-dimethylpyrol-4-yl)perfluorocyclopentene

1,2-bis(2-trimethylsilylethynyl-1,5-dimethylpyrrol-4-yl)perfluorocyclopentene

1,2-bis(2-iodo-1,5-dimethylpyrrol-4-yl)perfluorocyclopentene