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