InChI=1/C22H21N3O4/c1-16-6-8-17(9-7-16)21-15-18(5-4-14-24(27)22(26)29-3)23-25(21)19-10-12-20(28-2)13-11-19/h6-13,15,27H,14H2,1-3H3 E5900DD26371CB6F