Lin H, Fang H, Wang J, Meng Q, Dai X, Wu S, Luo J, Pu D, Chen L, Minick D, et al. Discovery of a novel 2,3,11,11a-tetrahydro-1H-pyrazino[1,2-b]isoquinoline-1,4(6H)-dione series promoting neurogenesis of human neural progenitor cells. Bioorg Med Chem Lett. 2015.