| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| P | ANTIPARASITIC PRODUCTS, INSECTICIDES AND REPELLENTS | 抗寄生虫药、杀虫药和驱虫药 |
| P01 | ANTIPROTOZOALS | 抗原虫药 |
| P01B | ANTIMALARIALS | 抗疟药 |
| P01BD | Diaminopyrimidines | 二氨基嘧啶类 |
| P01BD01 | pyrimethamine | 乙胺嘧啶（息疟定，达拉匹林） 75 mg 口服 |
| P01BD51 | pyrimethamine, combinations | 乙胺嘧啶，复方 75 mg 口服 expressed as pyri-methamine |