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