| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| A | ALIMENTARY TRACT AND METABOLISM | 消化道及代谢 |
| A11 | VITAMINS | 维生素类 |
| A11G | ASCORBIC ACID (VITAMIN C), INCL. COMBINATIONS | 抗坏血酸（维生素C），含其复方 |
| A11GB | Ascorbic acid (vitamin C), combinations | 抗坏血酸（维生素C），复方 |
| A11GB01 | ascorbic acid (vit C) and calcium | 抗坏血酸（维生素C）和钙的复方 |