| Renal Excretion (% Unchanged) | Biliary Excretion (% Unchanged) | Hepatic Degradation (% Unchanged) | Hydrolysis in Plasma | |
|---|---|---|---|---|
| Atracurium | Insignificant | Insignificant | ? | Spontaneous and enzymatic |
| Cisatracurium | Insignificant | Insignificant | ? | Spontaneous |
| Rocuronium | 10–25 | 50–70 | 10–20 | 0 |
| Vecuronium | 15–25 | 40–75 | 20–30 | 0 |
| Doxacurium | 70 | 30 | ? | 0 |
| Pancuronium | 80 | 5–10 | 10–40 | 0 |