4Kamihara S Kaneuchi T,Uchiyama K,et al.Process for preparing pyrrolidinylacetamide derivatives[P].US:5461157,1995-10-24.
5Rainer M,Mucke H A,Rainer C,et al.Cognitive relapse after discontinuation of drug therapy in Alzheimer's disease:cholinesterase inhibitors versus no tropics[J].J Neural Transm,2001,108(11):13271333.
6Yoshii M,Watanabe S.Enhancement of neuronal calcium channel currents by the noot ropic agent,nefiracetam (DM-9384),in NG108-15 cell[J].Brain Res,1994,642 (1-2):123.
7Fujimaki Y,Sudo K.Single-and multiple-dose pharmacokinetics of nefiracetam,a new no tropic agent,in healthy volunteers[J].J.Pharm.Pharmacol,1992,44:750-754.
8Fujimaki Y,Sudo K.Pharmacokinetics of nefiracetam and 3 metabolites in humans and stereo selective hydroxylation of its pyrrolidine ring[J].Xenobiotiea,1993,23:61-70.
9Kobayashi T,Ikeda M.Investigation of DM-9384 (nefiracetam) in a long-term treatment of patients with after-effect of cerebrovascular disorders[J].Yakuri to Chiryo,1994,22:3645-3659.
10Hasegawa T,Shigeno K.Clinical evaluation of DM9384 (nefiracetam) in a long-term treatment of patients with sequela of cerebrovascular disorders[J].Rinsho Iyaku,1994,10(9):2087-2106.