InChI=1/C21H23N5O3/c1-3-12(2)18(19(22)27)26-21(29)13-5-4-6-15(9-13)25-20(28)14-7-8-16-17(10-14)24-11-23-16/h4-12,18H,3H2,1-2H3,(H2,22,27)(H,23,24)(H,25,28)(H,26,29)/t12-,18+/m1/s1/f/h23,25-26H,22H2 E16B4E55AC0B080C