3757.29 Buprenorphine [52485-79-7] 20.83 µg/mL 10041.19 6-Acetylmorphine (free base) [2784-73-8] 41.66 µg/mL 9401.17 Phencyclidine hydrochloride [956-90-1] 104.16 µg base/mL 9386.21 (±)-trans-11-Nor-9-carboxy-?9-THC [104874-50-2] 208.31 µg/mL