InChI=1/C26H31N5O4/c1-26(15-12-19-8-4-2-5-9-19)24(34)31(25(35)28-26)29-22(32)18-30-16-13-21(14-17-30)27-23(33)20-10-6-3-7-11-20/h2-11,21H,12-18H2,1H3,(H,27,33)(H,28,35)(H,29,32)/t26-/m1/s1/f/h27-29H 503D5DDAD41F2C15