aldehydy
kwasy
1 ketony
karboksylowe
R-CHO Ar- COOH R-C- R
alkohole 1 fenole
chlorowco
pochodne
R- OH Ar- OH
R-X Ar—X
R- COOH Ar-COOH
R- NHZ Ar - NHZ
O
Ar-C-R
R- COOR’ Ar^- COOR R - COOR Ar- COOAr
Ar- C- Ar