InChI=1/C19H27N5O/c1-16-4-2-3-5-17(16)14-23-10-6-18(7-11-23)22-19(25)21-9-13-24-12-8-20-15-24/h2-5,8,12,15,18H,6-7,9-11,13-14H2,1H3,(H2,21,22,25)/p+1/fC19H28N5O/h21-23H/q+1 39B2A31746C56506