Natsuka, K; Nakamura, H; Nishikawa, Y; Negoro, T; Uno, H; Nishimura, H. Synthesis and structure-activity relationships of 1-substituted 4-(1,2-diphenylethyl)piperazine derivatives having narcotic agonist and antagonist activity J. Med. Chem., 1 Oct 1987, 30 (10), 1779–1787. 1.2 MB. https://doi.org/10.1021/jm00393a017 #10 MS,NMR,IR
Cannaert, A; Hulpia, F; Risseeuw, M; Van Uytfanghe, K; Deconinck, E; Van Calenbergh, S; Blanckaert, P; Stove, C. Report on a new opioid NPS: Chemical and in vitro functional characterization of a structural isomer of the MT-45 derivative diphenpipenol J. Anal. Toxicol., 13 Feb 2021, 45 (2), 134–140. 1.5 MB. https://doi.org/10.1093/jat/bkaa066 #Diphenpipenol LC,MS,NMR,IR
Hasegawa, K; Minakata, K; Suzuki, M; Suzuki, O. Non-fentanyl-derived synthetic opioids emerging during recent years Forensic Toxicol., 1 Jul 2022, 40 (2), 234–243. 1.6 MB. https://doi.org/10.1007/s11419-022-00624-y #Table S1 (11)