InChI=1/C26H31NO8/c1-5-18-12-20(16(4)28)22(29)14-23(18)35-15-17-9-8-10-19(11-17)25(31)27-21(26(32)34-7-3)13-24(30)33-6-2/h8-12,14,21,29H,5-7,13,15H2,1-4H3,(H,27,31)/t21-/m1/s1/f/h27H 50A0B8074718213C