InChI=1S/C15H19NO3S2/c1-10(9-20)14(17)16-8-12(7-13(16)15(18)19)21-11-5-3-2-4-6-11/h2-6,10,12-13,20H,7-9H2,1H3,(H,18,19)/t10-,12+,13+/m1/s1