| German | French |
| 3,4-Dihydroxyphenylalanin-¹¹C | 3,4-dihydroxyphenylalanine-11C |
| 2,3-Dimercaptopropanol | dimercaprol |
| 2,3-Dimercaptopropanol | dimercaptopropanol |
| 2,3-Dimercaptopropanol | dithiopropanol |
| 2,3-Dimercaptopropanol | British anti-Lewisite |
| Helium-3-Zählrohr | tube compteur à hélium |
| 3H-Thymidin | thymidine-3H |
| 3-2-Amino-äthyl-5methoxy-indol | mexamine |
| 3-2-Amino-ethyl-5methoxy-indol | mexamine |
| 3',5',3,5-Tetraiodthyronin | thyroxine |
| 3',5',3,5-Tetrajodthyronin | thyroxine |
| 1,3,7-Trimethylxanthin | triméthyl-1,3,7 xanthine |
