InChI=1/C26H38N4O4/c1-16(2)13-20(23(31)29-22(25(33)27-6)26(3,4)5)21(24(32)30-34)28-15-17-11-12-18-9-7-8-10-19(18)14-17/h7-12,14,16,20-22,28,34H,13,15H2,1-6H3,(H,27,33)(H,29,31)(H,30,32)/t20-,21+,22-/m1/s1/f/h27,29-30H 0BFB19B3E6F4D25A