InChI=1/C19H29N5O3/c1-2-3-8-21-19(27)22-17(25)14-24-11-9-23(10-12-24)13-15-4-6-16(7-5-15)18(20)26/h4-7H,2-3,8-14H2,1H3,(H2,20,26)(H2,21,22,25,27)/p+1/fC19H30N5O3/h21-23H,20H2/q+1 1889B1E0238135F1