InChI=1/C21H24N4O4/c1-15-18(16(2)29-22-15)14-23-9-11-24(12-10-23)21(27)19-7-6-17(28-19)13-25-8-4-3-5-20(25)26/h3-8H,9-14H2,1-2H3 466B4D2C8BD13F84