| German | English |
| 3,4-Dihydroxyphenylalanin-¹¹C | ß-3,4-dihydroxyphenyl-D,L-α-alanine-1-11C |
| 3,4-Dihydroxyphenylalanin-¹¹C | 3,4-dihydroxyphenylalanine-xxC |
| 2,3-Dimercaptopropanol | British anti-Lewisite |
| 2,3-Dimercaptopropanol | dimercaprol |
| 2,3-Dimercaptopropanol | dimercaptopropanol (C3H8SO2, a radioprotective substance) |
| 2,3-Dimercaptopropanol | BAL |
| Helium-3-Zählrohr | helium-3 counter tube |
| Helium-3-Zählrohr | 3He counter tube |
| Helium-3-Zählrohr | helium-3 counter |
| Helium-3-Zählrohr | helium counter tube |
| 3H-Thymidin | 3 H-thymidine (a radiopharmaceutical) |
| 3-2-Amino-äthyl-5methoxy-indol | mexamine (a radioprotective substance) |
| 3-2-Amino-ethyl-5methoxy-indol | mexamine (a radioprotective substance) |
| 3',5',3,5-Tetraiodthyronin | 3',5',3,5-tetraiodothyronine (also a radiopharmaceutical) |
| 3',5',3,5-Tetraiodthyronin | thyroxine |
| 3',5',3,5-Tetrajodthyronin | 3',5',3,5-tetraiodothyronine (also a radiopharmaceutical) |
| 3',5',3,5-Tetrajodthyronin | thyroxine |
| 1,3,7-Trimethylxanthin | 1,3,7-trimethylxanthine (a radioprotective substance) |
