InChI=1/C20H19ClN2O6S/c1-12(24)19(23-30(27,28)14-8-6-13(21)7-9-14)20(26)29-11-18(25)16-10-22-17-5-3-2-4-15(16)17/h2-9,12,19,23-24H,10-11H2,1H3/p+1/t12-,19-/m0/s1/fC20H20ClN2O6S/h22H/q+1 22D0528026F8A3C9