| 2937.11 | 000 | Somatotropin, its derivatives and structural analogues |
| 2937.12 | 000 | Insulin and its salts |
| 2937.19 | 000 | Other |
| 2937.19 | | Steroidal hormones, their derivatives and structural analogues : |
| 2937.21 | 000 | Cortisone, hydrocortisone, prednisone (dehydrocortisone) and prednisolone (dehydrohydrocortisone) |
| 2937.22 | 000 | Halogenated derivatives of corticosteroidal hormones |
| 2937.23 | 000 | Oestrogens and progestogens |
| 2937.29 | 000 | Other |
| 2937.50 | 000 | Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues |
| 2937.90 | 000 | Other |
| 2937.90 | | XII.- GLYCOSIDES AND ALKALOIDS, NATURAL OR REPRODUCED BY SYNTHESIS, AND THEIR SALTS, ETHERS, ESTERS AND OTHER DERIVATIVES |