InChI=1/C18H21N3O5S/c1-13(22)19-12-11-17(18(23)20-24)21-27(25,26)16-9-7-15(8-10-16)14-5-3-2-4-6-14/h2-10,17,21,24H,11-12H2,1H3,(H,19,22)(H,20,23)/t17-/m1/s1/f/h19-20H 3C1E5F9EA920AA43