InChI=1S/C29H32O7S/c1-19-12-25(34-10-5-11-37(3,32)33)13-20(2)29(19)22-7-4-6-21(14-22)17-35-24-8-9-26-23(15-28(30)31)18-36-27(26)16-24/h4,6-9,12-14,16,23H,5,10-11,15,17-18H2,1-3H3,(H,30,31)/t23-/m1/s1