InChI=1/C23H28N4O4/c1-23(20(28)16-6-3-4-7-17(16)24)18(21(29)26-10-5-13-31-2)19(23)22(30)27-14-15-8-11-25-12-9-15/h3-4,6-9,11-12,18-19H,5,10,13-14,24H2,1-2H3,(H,26,29)(H,27,30)/t18-,19+,23+/m1/s1/f/h26-27H C0B0E20748579300