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 Level 2
 
 A - Alimentary tract and metabolismA11 - Vitamins
 
 A11A - Multivitamins, combinationsA11B - Multivitamins, plainA11C - Vitamin A and D, including combinations of the twoA11D - Vitamin B1, plain and in combination with Vitamin B6 and B12A11E - Vitamin B-complex, including combinationsA11G - Ascorbic Acid (Vitamin C), including combinationsA11H - Other plain vitamin preparationsA11J - Other vitamin products, combinations
 
 
 
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