Hydroxyethylflurazepam:MCnc:Pt:Urine:Qn:Confirm
hydroxyethylflurazepam:mcnc:pt:urine:qn:confirm
Hydroxyethylflurazepam [Mass/volume] in Urine by Confirmatory method
hydroxyethylflurazepam [mass/volume] in urine by confirmatory method