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