All plain ACE inhibitors are classified in this group. No separate ATC codes are assigned for the active metabolites 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.