InChI=1/C21H26N4O2/c1-15-18(21(22)27)6-5-7-19(15)23-14-20(26)24-16-8-10-17(11-9-16)25-12-3-2-4-13-25/h5-11,23H,2-4,12-14H2,1H3,(H2,22,27)(H,24,26)/f/h24H,22H2 EB87C8E895BDD80D