methoxyethyl
methoxymethyl
ethoxymethyl
methoxyphenyl
methoxybenzoyl
methoxybenzyl
ethoxyethyl
heteroarylidene
methylbutanoyl
ethylhexyl
ethoxybenzyl
farnesylethyl
diethylaminoethyl
methionyl
ethyladamantyl
cyanoethoxy
cyclobutylmethoxy
propidine
vinyl group
vinyl
methoxydimethyltryptamine
vinyl radical
dihydroxyphenyl
mercaptophenyl
chloroethyl
iododecyl
dichlorophenyl
methoxyl
methoxybutane
aminyl oxide
methacryloyl
hydroxyprolyl
tetrachloroethoxy
verdazyl
dihydroxyethyl
dimethylphenyl
butylphenyl
carbamoylmethyl
methoxy
methylbenzoyl
butenylidene
ethynylene
methoxynaphthalene
methylamino
difluorophenyl
homovanillyl
methylidenyl
veratryl
bromomethyl
phenylimino