Regorafenib metabolite M4:MCnc:Pt:Ser/Plas:Qn
regorafenib metabolite m4:mcnc:pt:ser/plas:qn
N-Desmethyl regorafenib [Mass/volume] in Serum or Plasma
n-desmethyl regorafenib [mass/volume] in serum or plasma