perfluorooctane sulfonate
nonafluorobutanesulfonate
perfluorooctanoate
perthiocyanate
persulphocyanate
peroxynitrate
acetohydroxamate
peroxalate
pyrotartrate
peracetate
pyroglutamate
pyrophosphate
heneicosapentaenoate
hydroxyphenylpyruvate
sulfopyruvate
pertechnate
phosphonopyruvate
pyroborate
pyromucate
phosphopantetheinylate
pyrazinoate
docosahexenoate
pyrosulfate
phosphorotrithioate
pimelimidate
triflate
perchlorate
pyruvate
pyromucite
monohydroxybenzoate
hypophosphite
pyroarsenate
edisylate
acetrizoate
octacosanoate
barbexaclone
hydrofluosilicate
methylmalonate
hydroxymethylglutarate
isocaproate
polyacrylate
hydroxypyruvate
sulphophosphate
formiminotetrahydrofolate
pyroantimonate
ethanesulfonate
salvianolate
heneicosanoate
dithiobenzoate
phosphomolybdate