N-desalkylflurazepam/Creatinine:MRto:Pt:Urine:Qn
n-desalkylflurazepam/creatinine:mrto:pt:urine:qn
N-desalkylflurazepam/Creatinine [Mass Ratio] in Urine
n-desalkylflurazepam/creatinine [mass ratio] in urine