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| Concentration(mM) | Mean lifespan(days) | Median survival(days) | |
| N2(20°C) | 0 | 18.0±0.8 | 19.0±1.8 |
| 0 | 12.1±0.6 | 13.0±0.8 | |
| 1 | 14.1±0.8 | 15.0±0.7 | |
| NL5901 (20°C) | 5 | 14.4±0.8 | 15.0±0.6 |
| 10 | 14.5±0.6 | 15.0±0.8 | |
| 20 | 14.4±0.7 | 15.0±0.7 |
