InChI=1/C21H28N4O2/c1-13-14(2)22-19-6-3-15(11-18(13)19)21(27)24-17-7-9-25(10-8-17)12-20(26)23-16-4-5-16/h3,6,11,16-17,22H,4-5,7-10,12H2,1-2H3,(H,23,26)(H,24,27)/f/h23-24H 39178E1FDC62F62B