InChI=1/C19H26N4O3/c20-18(25)13-7-10-23(11-8-13)12-9-17(24)22-16-4-2-1-3-15(16)19(26)21-14-5-6-14/h1-4,13-14H,5-12H2,(H2,20,25)(H,21,26)(H,22,24)/p+1/fC19H27N4O3/h21-23H,20H2/q+1 DCF4F7B62636F53B