InChI=1/C19H28N4O3/c1-19(2,18(20)26)13-21-16(24)17(25)22-15-7-5-14(6-8-15)9-12-23-10-3-4-11-23/h5-8H,3-4,9-13H2,1-2H3,(H2,20,26)(H,21,24)(H,22,25)/p+1/fC19H29N4O3/h21-23H,20H2/q+1 8899E2607F335485