... a novel γ-aminobutyric acid (GABA) receptor agonist, can block the voltage-dependent calcium channels to reduce neurotransmitter ... drug treatment better and more convenient administration. Can also be used to treat pain and anxiety. Item Standard ... as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on. 2013 high quality ...