| Chemical compound | 30-day survival to control, % | n-level measured from the lower limit of the forbidden zone, eV |
| Orotilglycine | 27 | 1.60 |
| Thiorothylglycine | 80 | 1.96 |
| Orotic acid | 20 | 1.45 |
| Thiorotic acid | 18 | 1.35 |
| Selenium orotic acid | 60 | 1.88 |