Cl° aliphatic amine2° heterocyclic aliphatic amine3° aliphatic amine2° aliphatic amineheterocyclic aromatic amine CA, B - heterocyclic aromatic aminesCA - heterocyclic aromatic amine, B - 1° aliphatic amineCA, B - 1°
aliphatic aminesCA- heterocyclic aromatic amine, B- 3° heterocyclic aliphatic amineA - 2° aromatic amine, B - heterocyclic aromatic amine