InChI=1/C19H18N5O4S/c1-11-3-7-15(8-4-11)24-29(27,28)19-16(12(2)22-23-19)18(26)21-14-9-5-13(6-10-14)17(20)25/h3-10H,1-2H3,(H4,20,21,22,23,25,26)/q-1/p+1/fC19H19N5O4S/h21-23H,20H2/q 04D15829E3CC41DD