InChI=1S/C23H31NO6/c1-6-9-15(2)11-12-17(4)21(26)20-18(25)14-19(30-22(20)27)16(3)10-7-8-13-24-23(28)29-5/h11-14,16,20H,6-10H2,1-5H3/b15-11+,17-12+,24-13+/t16-,20?/m1/s1