A09A Digestives, including enzymes
A09AA Enzyme preparations
:A09AA01 Diastase
:A09AA02 Multienzymes (lipase, protease, etc.)
:A09AA03 Pepsin
:A09AA04 Tilactase
A09AB Acid preparations
:A09AB01 Glutamic acid hydrochloride
:A09AB02 Betaine hydrochloride
:A09AB03 Hydrochloric acid
:A09AB04 Citric acid
A09AC Enzyme and acid preparations, combinations
:A09AC01 Pepsin and acid preparations
:A09AC02 Multienzymes and acid preparations