InChI=1/C15H14N2O5S/c18-15-8-9-16(14-7-2-1-6-13(14)15)23(21,22)12-5-3-4-11(10-12)17(19)20/h1-7,10,15,18H,8-9H2/t15-/m0/s1 D3CC8426010098CB