InChI=1/C21H30N4O3/c1-20(2,3)28-19(27)24(5)21(4)10-12-25(13-11-21)18(26)23-15-17-8-6-16(14-22)7-9-17/h6-9H,10-13,15H2,1-5H3,(H,23,26)/f/h23H 7BB60644C9721A72