InChI=1/C27H38N4O4/c1-16(2)23(31-25(34)20(28)14-17-9-7-6-8-10-17)26(35)30-21(24(29)33)15-18-11-12-22(32)19(13-18)27(3,4)5/h6-13,16,20-21,23,32H,14-15,28H2,1-5H3,(H2,29,33)(H,30,35)(H,31,34)/t20-,21-,23-/m0/s1/f/h30-31H,29H2 EF22173079F5E56C