InChI=1/C22H28N4O4/c1-15-11-13-26(18-8-3-2-6-16(15)18)20(27)14-29-21(28)10-9-19-24-22(25-30-19)17-7-4-5-12-23-17/h4-5,7,12,15-16,18H,2-3,6,8-11,13-14H2,1H3/t15-,16+,18+/m0/s1 6E0B27FBA28FF3BB