All plain ACE inhibitors are classified in this group. No separate ATC codes are assigned for the esters of the ACE inhibitors (e.g. enalaprilat, quinaprilat).
Combinations with diuretics, see C09BA - ACE inhibitors and diuretics.
Combinations with calcium channel blockers, see C09BB - ACE inhibitors and calcium channel blockers.
Combinations with beta blocking agents, see C09BX - ACE inhibitors, other combinations.