InChI=1/C22H28N4O/c27-22(19-4-2-1-3-5-19)24-14-16-6-8-18(9-7-16)21-20(15-25-26-21)17-10-12-23-13-11-17/h1-2,10-13,15-16,18-19H,3-9,14H2,(H,24,27)(H,25,26)/t16?,18?,19-/m1/s1/f/h24-25H 50B614693D4AD4EA