5-hydroxybenzo[b]phosphindole 5-oxide

6-methylheptyl(triphenyl)phosphanium,bromide

diethyl(diphenyl)phosphanium,iodide

3-methylbutyl(triphenyl)phosphanium,iodide

Phosphonium, (3,5-di-tert-butyl-4-hydroxybenzyl)triphenyl-, bromide