InChI=1/C29H48N4O4/c1-6-20(4)27(29(37)31-18-23-14-10-11-15-30-23)33-28(36)24(19(2)3)17-26(35)25(32-21(5)34)16-22-12-8-7-9-13-22/h10-11,14-15,19-20,22,24-27,35H,6-9,12-13,16-18H2,1-5H3,(H,31,37)(H,32,34)(H,33,36)/t20-,24-,25-,26-,27-/m0/s1/f/h31-33H 31E8204915D62B8F