InChI=1/C22H28N4O3/c1-3-5-7-16(4-2)15-24-21(28)22(29)26-19-9-6-8-18(14-19)25-20(27)17-10-12-23-13-11-17/h6,8-14,16H,3-5,7,15H2,1-2H3,(H,24,28)(H,25,27)(H,26,29)/t16-/m1/s1/f/h24-26H 4B35A9864781C8DA