InChI=1/C20H17N3O6/c1-29-15-5-3-2-4-14(15)22-17(25)9-8-16(24)21-11-6-7-12-13(10-11)18(26)20(28)23-19(12)27/h2-7,10H,8-9H2,1H3,(H,21,24)(H,22,25)(H,23,27,28)/f/h21-23H 748E2DE51B26289C