InChI=1S/C29H43N11O4/c30-25-22-26(36-17-35-25)40(18-37-22)27-24(42)23(41)21(44-27)16-39(13-6-11-32-28(31)38-20-9-4-5-10-20)14-12-33-29(43)34-15-19-7-2-1-3-8-19/h1-3,7-8,17-18,20-21,23-24,27,41-42H,4-6,9-16H2,(H2,30,35,36)(H3,31,32,38)(H2,33,34,43)/t21-,23-,24-,27-/m1/s1