isopropylidene
allylamino
sulfamyl
ethoxyl
isoprenyl
thioethyl
valeryl
oxyallyl
allylamine
fumaryl
glycolyl
tertiary butyl
iminoethyl
malonyl
butanol
dichlorine
cyanoacetyl
thioacrolein
carboxymethyl
propidine
sulfoxymethyl
dichloro-
vinyltrimethylsilane
dibutylamine
styryl
nitromethyl
triflimide
isopropenyl
hydroxyacetone
butadienoic acid
methylthio
carbonyl group
crown ether
diglycolic acid
dichloromethylene
nitrite
methylvinyldichlorosilane
vinyl bromide
cacodyl
benzylic
diethylamine
isovaleryl
methoxycarbonyl
butenone
difluoromethyl
chloromethylsulfonyl
chromeno
benzyloxy
myristyl
ureido-