InChI=1/C18H20ClNO5S/c1-10(17(23)20-9-3-4-14(20)18(24)25)16(26-11(2)21)15(22)12-5-7-13(19)8-6-12/h5-8,10,14,16H,3-4,9H2,1-2H3,(H,24,25)/p-1/t10-,14+,16+/m0/s1/fC18H19ClNO5S/q-1 4A853FF8E04D3E39