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alkane
alkene
alkyne
aromatic hydrocarbon
haloalkane
amine
ammonium
aziridine
hydrazine
amide^1
diamine
alcohol
ether
epoxide
peroxide
alkoxide
diol
silane
phosphine
thiol
thioether
disulfide
selenol
aldehyde
ketone
imine
azo
azide
nitrile
hemiacetal
acetal
hemiketal
ketal
orthoester
nitro
carboxylic acid
ester
lactone
anhydride
carboxylate
carbonate
acyl halide
amide²
lactam
imide
carbamate
urea
amine oxide
hydrazone
oxime
nitroso
nitrate
amidine
guanidine
diazonium
nitrite
isocyanate
isothiocyanate
thioester
thioamide
sulfoxide
sulfone
sulfonic acid
sulfonate
sulfate
thiol
thioketone
thioacetal
dithioacetal
hemiaminal
aminal
hydroxylamines
enamine
enolate
hydrate
thiolate
enol