methylium
triangulenium
carbonium ion
dicarbenium
triazatriangulenium
ethynium
octylammonium
trimethylammonium
trimethylsulfonium
trioctylamine
methylene
ketocarbene
methylarsonate
carbenoid
tripropargylamine
trimethylarsine
ethenium
norharmane
ketocarbenoid
ethylammonium
trimethyltelluronium
ethanium
phenazinium
trimethylanaminium
hydroxonium
germanate
mebutic acid
methylammonium
polychloride
polycarbene
triethylsilane
butadienoic acid
diacetylhydrazine
methyltriphenylphosphonium
dimethylammonium
monocarbide
trimethylsilane
carbazolide
isononane
tetrapropylammonium
aminium
hexamethyldigermane
propanethial
carbamoylate
acetylonium
acetonylidene
carbamylation
amidium ion
Michael reaction
aceto-