InChI=1/C21H42N4O2/c1-6-9-22-20(26)16-23-12-14-24(15-13-23)17-21(27)25(10-7-18(2)3)11-8-19(4)5/h18-19H,6-17H2,1-5H3,(H,22,26)/f/h22H 629BF5B0E204BDB8