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 References A09