InChI=1S/C23H25NO6/c1-3-4-5-6-7-8-18(25)20-17-12-14-11-15(9-10-19(26)27)24-13-16(14)21(28)23(17,2)30-22(20)29/h9-13,25H,3-8H2,1-2H3,(H,26,27)/b10-9-,20-18?/t23-/m1/s1