InChI=1/C19H27N5O/c1-16-3-2-4-17(13-16)14-23-9-5-18(6-10-23)22-19(25)21-8-12-24-11-7-20-15-24/h2-4,7,11,13,15,18H,5-6,8-10,12,14H2,1H3,(H2,21,22,25)/p+2/fC19H29N5O/h20-23H/q+2 F6DE26E565CF4515