(2-oxo-2,3-dihydro-5-furylmethyl)triphenylphosphonium bromide

triphenyl(2,2,2,4-tetraphenyl-1,3,5,6,2λ5-dioxadiazaphosphorinan-6-yl)phosphonium chloride

(Z)-1-butyl-2,3-diphenylaziridine

sodium diphenylphosphide

1,4-dibenzyltetrasulfane