参考文献:10.1007/s11419-016-0345-6 摘要:Kuś P, Kusz J, Książek M, Pieprzyca E, Rojkiewicz M. Spectroscopic characterization and crystal structures of two cathinone derivatives: N-ethyl-2-amino-1-phenylpropan-1-one (ethcathinone) hydrochloride and N-ethyl-2-amino-1-(4-chlorophenyl)propan-1-one (4-CEC) hydrochloride. Forensic Toxicology. 2016 Oct 31;35(1):114–24. doi: 10.1007/s11419-016-0345-6.