2-[4-[4-[(3aR,6aR)-5-methyl-2,3,3a,4,6,6a-hexahydropyrrolo[3,2-c]pyrrol-1-yl]phenyl]phenyl]pyridazin-3-one
ABT-288 is under investigation in clinical trial NCT01018875 (Efficacy and Safety Study of ABT-288 in Subjects With Mild-to-Moderate Alzheimer's Disease).