| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| A | ALIMENTARY TRACT AND METABOLISM | 消化道及代谢 |
| A11 | VITAMINS | 维生素类 |
| A11D | VITAMIN B1, PLAIN AND IN COMBINATION WITH VITAMIN B6 AND B12 | 维生素B1单方及其与维生素B6和B12的复方 |
| A11DA | Vitamin B1, plain | 维生素B1，单方 |
| A11DA01 | thiamine (vit B1) | 硫胺（维生素B1） 50 mg 口服 |
| A11DA01 | thiamine (vit B1) | 硫胺（维生素B1） 50 mg 注射 |
| A11DA02 | sulbutiamine | 舒布硫胺 |
| A11DA03 | benfotiamine | 苯磷硫胺 |