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Kumar JS, Majo VJ, Hsiung SC, Millak MS, Liu KP, Tamir H, et al. (January 2006). "Synthesis and in vivo validation of [O-methyl-11C]2-{4-[4-(7-methoxynaphthalen-1-yl)piperazin- 1-yl]butyl}-4-methyl-2H-[1,2,4]triazine-3,5-dione: a novel 5-HT1A receptor agonist positron emission tomography ligand". Journal of Medicinal Chemistry. 49 (1): 125–134. doi:10.1021/jm050725j. PMID16392798.