InChI=1/C19H27N5O/c1-14-7-8-16(15(2)12-14)9-10-20-19(25)21-13-18-23-22-17-6-4-3-5-11-24(17)18/h7-8,12H,3-6,9-11,13H2,1-2H3,(H2,20,21,25)/f/h20-21H 506A5662D2D5450D