InChI=1/C19H25N5O3/c1-3-27-18(25)17-9-12-24(22-17)16-6-4-5-15(13-16)21-19(26)20-14-7-10-23(2)11-8-14/h4-6,9,12-14H,3,7-8,10-11H2,1-2H3,(H2,20,21,26)/p+1/fC19H26N5O3/h20-21,23H/q+1 8A2E8A5195DBE67B