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