InChI=1S/C19H28O7S/c1-18-9-15(21)17-13(14(18)4-5-16(18)22)3-2-11-8-12(26-27(23,24)25)6-7-19(11,17)10-20/h11-14,17,20H,2-10H2,1H3,(H,23,24,25)/t11?,12?,13?,14?,17?,18-,19+/m0/s1