InChI=1S/C21H32O7S/c1-4-21(24)11-16(22)18-14-6-5-12-9-13(28-29(25,26)27)10-17(23)20(12,3)15(14)7-8-19(18,21)2/h10,12,14-16,18,22,24H,4-9,11H2,1-3H3,(H,25,26,27)/t12?,14-,15+,16?,18-,19+,20+,21-/m1/s1