InChI=1/C26H34N4O4/c1-5-18(2)15-27-20-14-21-23(29-22(31)17-33-3)24(26(32)34-4)30(25(21)28-16-20)13-9-12-19-10-7-6-8-11-19/h6-8,10-11,14,16,18,27H,5,9,12-13,15,17H2,1-4H3,(H,29,31)/t18-/m1/s1/f/h29H 93437054EA63937F