2,3,3,3-tetrafluoropropanoyl fluoride

trimethyl(2-phenylethyl)azanium,bromide

[cyano(methylsulfanyl)methyl]-trimethylazanium,chloride

methyl 3-[(dimethylamino)methyl]-4-hydroxybenzoate

trimethyl-[2-(pyridine-3-carbonyloxy)ethyl]azanium,iodide