"10.1021/acs.jmedchem.7b01466"^^; ; "Helal CJ, Arnold E, Boyden T, Chang C, Chappie TA, Fisher E, Hajos M, Harms JF, Hoffman WE, Humphrey JM, Pandit J, Kang Z, Kleiman RJ, Kormos BL, Lee CW, Lu J, Maklad N, McDowell L, McGinnis D, O'Connor RE, O'Donnell CJ, Ogden A, Piotrowski M, Schmidt CJ, Seymour PA, Ueno H, Vansell N, Verhoest PR, Yang EX.: Identification of a Potent, Highly Selective, and Brain Penetrant Phosphodiesterase 2A Inhibitor Clinical Candidate. J Med Chem, Volume 61 (3), 2018"^^; "29293004"^^; ; ; . .