InChI=1/C19H28N4O3/c1-13-6-10-23(11-7-13)9-3-8-21-18(25)19(26)22-16-12-15(17(20)24)5-4-14(16)2/h4-5,12-13H,3,6-11H2,1-2H3,(H2,20,24)(H,21,25)(H,22,26)/p+1/fC19H29N4O3/h21-23H,20H2/q+1 3E9DB86B16633BDE