CH3 CH2 >CH- >C< =CH2 =CH- =C< =C= #CH- #C- CH2(R) >CH-(R) >C<(R) =CH-(R) =C<(R) F Cl Br I OH OH(Ph) -O- -O-(R) >C=O >C=O(R) O=CH- COOH COO =O NH2 >NH >NH(R) >N- =N- =N-(R) =NH -CN NO2 SH -S- -S-(R) CH3 CH2 >CH- >C< =CH2 =CH- =C< =C= #CH- #C- CH2(R) >CH-(R) >C<(R) =CH-(R) =C<(R) F Cl Br I OH OH(Ph) -O- -O-(R) >C=O >C=O(R) O=CH- COOH COO =O NH2 >NH >NH(R) >N- =N- =N-(R) =NH -CN NO2 SH -S- -S-(R) CH3 CH2 >CH- >C< =CH2 =CH- =C< =C= #CH- #C- CH2(R) >CH-(R) >C<(R) =CH-(R) =C<(R) F Cl Br I OH OH(Ph) -O- -O-(R) >C=O >C=O(R) O=CH- COOH COO =O NH2 >NH >NH(R) >N- =N- =N-(R) =NH -CN NO2 SH -S- -S-(R) CH3 CH2 >CH- >C< =CH2 =CH- =C< =C= #CH- #C- CH2(R) >CH-(R) >C<(R) =CH-(R) =C<(R) F Cl Br I OH OH(Ph) -O- -O-(R) >C=O >C=O(R) O=CH- COOH COO =O NH2 >NH >NH(R) >N- =N- =N-(R) =NH -CN NO2 SH -S- -S-(R) CH3 CH2 >CH- >C< =CH2 =CH- =C< =C= #CH- #C- CH2(R) >CH-(R) >C<(R) =CH-(R) =C<(R) F Cl Br I OH OH(Ph) -O- -O-(R) >C=O >C=O(R) O=CH- COOH COO =O NH2 >NH >NH(R) >N- =N- =N-(R) =NH -CN NO2 SH -S- -S-(R) CH3 CH2 >CH- >C< =CH2 =CH- =C< =C= #CH- #C- CH2(R) >CH-(R) >C<(R) =CH-(R) =C<(R) F Cl Br I OH OH(Ph) -O- -O-(R) >C=O >C=O(R) O=CH- COOH COO =O NH2 >NH >NH(R) >N- =N- =N-(R) =NH -CN NO2 SH -S- -S-(R)