oxetanyl
acetylenyl
oxocyclohexyl
oxanorbornenyl
propadienyl
diazinylmethyl
uridinyl
xanthyl
aminobutyl
phenylpropyl
aminyl oxide
dimethylnonyl
eicosatrienoyl
benzodioxol
epoxypropyl
hexadecenyl
dinitrophenyl
methylphenyl
pyrido
cyclopentenyl
benzofuranyl
hexylamino
methoxymethyl
dimethylaminobenzaldehyde
iodobenzyl
eicosadienoyl
xylosyl
methylfluorenyl
tetradecenyl
bisabolyl
nitrobenzoyl
ethylene
germyl
thiazolinyl
phenylimino
azanediyl
cyclohexadienyl
homophenylalanyl
chlorobutyl
iododecyl
butenylidene
tetrachloroethoxy
dimethylamino
phenoxybenzyl
fenchyl
methyluridine
iodooctyl
phenanthrylene
nitrobenzyl