InChI=1/C26H38N2O4/c1-5-8-11-20(7-3)26(31)28(18-23-15-14-19(4)32-23)24(25(30)27-16-9-6-2)21-12-10-13-22(29)17-21/h10,12-15,17,20,24,29H,5-9,11,16,18H2,1-4H3,(H,27,30)/t20-,24+/m1/s1/f/h27H 1CA9F8EA33C91A4E