InChI=1/C21H22N4O3/c1-13(2)19-18(23-24-25(19)15-9-7-14(3)8-10-15)21(26)22-16-5-4-6-17-20(16)28-12-11-27-17/h4-10,13H,11-12H2,1-3H3,(H,22,26)/f/h22H 3B52178CF45F6E5B