InChI=1/C12H14N2O5S2/c1-12(2,18-3)10(15)19-7-4-5-8-9(6-7)20-11(14-8)21(13,16)17/h4-6H,1-3H3,(H2,13,16,17)/f/h13H2 530E9AF30BD5C181