Standard InChI: InChI=1S/C18H26N6O3/c1-11(17(26)23-8-7-13(10-23)27-2)20-18-21-15-14(16(25)22-18)9-19-24(15)12-5-3-4-6-12/h9,11-13H,3-8,10H2,1-2H3,(H2,20,21,22,25)/t11-,13?/m1/s1
1.Wu Y, Zhou Q, Zhang T, Li Z, Chen YP, Zhang P, Yu YF, Geng H, Tian YJ, Zhang C, Wang Y, Chen JW, Chen Y, Luo HB.. (2019) Discovery of Potent, Selective, and Orally Bioavailable Inhibitors against Phosphodiesterase-9, a Novel Target for the Treatment of Vascular Dementia., 62 (8):[PMID:30916555][10.1021/acs.jmedchem.8b01041]