The onset/offset profiles of rapacuronium and succinylcholine are not identical.
Kopman
A F
AF
D000758:Anesthesia; D006801:Humans; D009466:Neuromuscular Blocking Agents; D013390:Succinylcholine; D013997:Time Factors; D014673:Vecuronium Bromide / Q000031:analogs & derivatives*
D009466:Neuromuscular Blocking Agents; D014673:Vecuronium Bromide; C082938:rapacuronium; D013390:Succinylcholine