InChI=1/C20H28N4O3/c1-2-27-19(25)7-5-3-4-6-12-22-20(26)23-15-17-8-10-18(11-9-17)24-14-13-21-16-24/h8-11,13-14,16H,2-7,12,15H2,1H3,(H2,22,23,26)/f/h22-23H 94122D0F1D037F42