InChI=1/C21H26N4O4/c22-19(27)15-7-10-25(11-8-15)20-17(2-1-9-23-20)14-24-21(28)16-3-5-18(6-4-16)29-13-12-26/h1-6,9,15,26H,7-8,10-14H2,(H2,22,27)(H,24,28)/f/h24H,22H2 A99DF45CA9C10B32