InChI=1/C25H40N4O4/c1-18-8-3-5-10-20(18)27-23(30)16-29(14-13-26-25(32)22-12-7-15-33-22)17-24(31)28-21-11-6-4-9-19(21)2/h7,12,15,18-21H,3-6,8-11,13-14,16-17H2,1-2H3,(H,26,32)(H,27,30)(H,28,31)/t18-,19+,20-,21-/m1/s1/f/h26-28H 2DD7B942DC736F82