InChI=1/C20H27N5O4/c1-23(13-17(26)21-15-5-3-2-4-6-15)14-18(27)24-9-11-25(12-10-24)20(29)19(28)22-16-7-8-16/h2-6,16H,7-14H2,1H3,(H,21,26)(H,22,28)/p+1/fC20H28N5O4/h21-23H/q+1 C4AAE82948E03C08