N-Pyrrolidino Etonitazene:MRto:Pt:Urine:Qn:Confirm
n-pyrrolidino etonitazene:mrto:pt:urine:qn:confirm
N-Pyrrolidino Etonitazene [Mass Ratio] in Urine by Confirmatory method
n-pyrrolidino etonitazene [mass ratio] in urine by confirmatory method