... BenzodiazepinesMass chromatograms of triazolam, 4-hydroxytriazolam, α-hydroxytriazolam and alprazolam (IS). A 100-ng aliquot each of triazolam, 4-hydroxytriazolam and α-hydroxytriazolam and 50 ... 7: midazolam, 8: flunitrazepam, 9: flutoprazepam, 10: bromazepam, 11: prazepam, 12: nimetazepam, 13: mexazolam, 14: flurazepam, 15: nitrazepam, 16: clonazepam, 17: estazolam, 18: alprazolam, ... udiazepam, urazepam, prazepam, utoprazepam, dipotassium clorazepate, medazepam, chlordiazepoxide, unitrazepam, alprazolam, midazolam, etizolam and brotizolam for both blood and urine. ...