trimethylammonium
methylammonium
octylammonium
ethylammonium
dimethylammonium
triethylammonium
propylammonium
meciadanol
tetramethyluronium
butylammonium
aminium ion
ethynium
aminium
hydroxylammonium
trioctylamine
ethenium
trimethylsulfonium
methyltriethoxysilane
etabonic acid
methylium
dinonylamine
isopropyl
phenanthridinium
diethylamine
triethanolamine
dimethylamino
phenazinium
tripropargylamine
ammonium
dimethylformamide
Mannich reaction
episulfonium
propylamine
tertiary butyl
valylene
dibutylamine
tetrapropylammonium
trimethyltelluronium
chlorosilane
methyltriphenylphosphonium
isothiazolidinium
phenylhydrazinium
mebutic acid
pyridinium
piperazinium
hydrazinium
galantaminium
hydroxonium
carbomethoxy
dimethylacetamide