homopiperazinium
galantaminium
isoquinolinium
piperazinium
anilinium
pyrrolidinium
propylammonium
picolinium
guanidium
onium
toluidinium
benzamidinium
aminium
cinchoninium
amidinium
hydrazinium
piperidinium
episulfonium
quinolinium
sulfcatalase
phenazinium
isothiazolidinium
phenylhydrazinium
arenium ion
aziridinium
isocatechin
uronium
nitrilium
protonation
butylammonium
phenanthridinium
dimethylammonium
amidiniumation
stibonium
ethynium
carboxylation
dialkylammonium
amidium ion
carboxyl methyltransferase
pyridinium
histidinium
aminium ion
selenonium
monocation
azolium
lyonium
imidazolinium
polyuridine
chelatase
cationophore