| русский | rus-000 |
| изотопный индикатор | |
| English | eng-000 | Tr |
| English | eng-000 | isotopic indicator |
| English | eng-000 | isotopic tracer |
| English | eng-000 | isotopically labeled compound |
| English | eng-000 | radioactive tracer |
| English | eng-000 | tracer |
| 日本語 | jpn-000 | 追跡子 |
| にほんご | jpn-002 | ついせきし |
| нихонго | jpn-153 | цуйсэкйси |