RecruitingPhase 3Drug trialA Multicenter, Randomized, Open-label, Parallel-group, Controlled, Superiority Phase III Clinical Study Comparing the Efficacy and Safety of F182112 Versus Standard of Care in Patients With Relapsed or Refractory Multiple MyelomaA Multicenter, Randomized, Open-label, Parallel-group, Controlled, Superiority Phase III Clinical Study Comparing F182112 with Standard of Care in Patients with Relapsed or Refractory Multiple Myeloma