karrikin
erythronolactone
rubrenolide
acetobutyrate
2-butanone
butanoyl
ethylmethylketone
methylpropanone
dicyanobutane
dihydroxybutane
karrikinolide
diaminobutane
methylbutene
tetrabutoxide
norandrostane
phenylbutyrate
oligosialic
pyroaconitine
butenylidene
tributyrate
butene
conylene
butoxy
homoandrographolide
tetrahydroxyethylethylenediamine
ethyladamantyl
butylate
dihydroxyethyl
isolinderanolide
dibromobutane
butadienyl
butenyl
nitroethylene
spiropiperidine
methylbutanoyl
noscapinoid
butadiynyl
aminobutyl
isoobtusilactone
dihydrobenzo
tert-butoxide
butylfuran
butanol
hexaoleate
butylphenol
butenoic
butyl alcohol
triethiodide
dicyclohexylamide
pimarane