persulphocyanate
perthiocyanate
peroxynitrate
pertechnate
perchlorate
perfluorooctanoate
peracetate
nonafluorobutanesulfonate
perfluorooctane sulfonate
peroxalate
pyrophosphate
phenpropionate
pyroarsenate
pyrotartrate
pyrosulfate
phenylpropionate
pyruvate
pyroantimonate
gallotannate
formyltetrahydrofolate
formiminotetrahydrofolate
arogenate
benzilate
mandelate
isosulphocyanate
ricinelaidate
mannitate
hydroxymethylglutarate
rutate
pyroglutamate
triphosphate
hydroxyphenylpyruvate
sulphophosphite
phosphomolybdate
apocrenate
pyrazinoate
hydrofluosilicate
mesitoate
phosphate
mesitylenate
bisalt
hydrosalt
inorganic phosphate
phosphonoformate
orthophosphate
pyromucite
iminoacetate
homogentisate
urocanate
sulphophosphate