InChI=1/C13H14Cl2N2O3S/c1-7-5-16(6-8(2)21-7)13(18)9-3-10(14)12(15)11(4-9)17(19)20/h3-4,7-8H,5-6H2,1-2H3/t7-,8-/m0/s1 E69C0BE49DA8EEB1