pertechnate
perthiocyanate
peracetate
peroxynitrate
persulphocyanate
perfluorooctanoate
perchlorate
nonafluorobutanesulfonate
peroxalate
arogenate
pyrophosphate
perfluorooctane sulfonate
formyltetrahydrofolate
ricinelaidate
pyrotartrate
iodide
acrylate
propenoate
iminoacetate
pyruvate
isethionate
homogentisate
rutate
formiminotetrahydrofolate
benzilate
isostearate
gallotannate
brassidate
isocyanate
salvianolate
sulpharsenate
hydrosalt
pyroarsenate
bisalt
isocaproate
isovalerate
salicylate
phenpropionate
ursodeoxycholate
pimarate
phenylpropionate
isophthalate
oxopropanoate
diiodosalicylate
isosaccharinate
purpurate
pseudouridylate
hydracrylate
oxaloacetate
sodium erythorbate