InChI=1/C18H20N3O5S/c1-4-17(23)20-15-7-5-12(9-11(15)2)19-18(24)14-10-13(6-8-16(14)22)21-27(3,25)26/h5-10H,4H2,1-3H3,(H,20,23)(H2,19,22,24)/q-1/f/h19-20,22H 520E03F83F9B5137