InChI=1/C20H26N4O3/c1-2-22-9-11-23(12-10-22)18(25)14-7-8-16-17(13-14)21-20(27)24(19(16)26)15-5-3-4-6-15/h7-8,13,15H,2-6,9-12H2,1H3,(H,21,27)/f/h21H 5EAD2C8B921C76B6