Title: 1-Azabicyclo[3.3.1]nonan-2-one: nitrogen versus oxygen protonation.
Journal: The Journal of organic chemistry 20110415
Title: 3-(7,8,13,14-Tetra-hydrodi-benzo-[a,i]phen-an-thridin-5-yl)benzene-1,2-diol.
Journal: Acta crystallographica. Section E, Structure reports online 20100701