InChI=1/C27H44N4O4/c1-17(2)20(16-18(3)23(32)30-35)31(10)25(34)22(26(4,5)6)29-24(33)21(28-9)27(7,8)19-14-12-11-13-15-19/h11-17,20-22,28,35H,1-10H3,(H,29,33)(H,30,32)/b18-16+/t20-,21-,22-/m1/s1/f/h29-30H 7E37AD06CBF6F88E