InChI=1/C19H25N5O4S/c1-13-9-16(22-28-13)21-18(26)11-24(3)19(27)12-23(2)10-17(25)20-14-7-5-6-8-15(14)29-4/h5-9H,10-12H2,1-4H3,(H,20,25)(H,21,22,26)/p+1/fC19H26N5O4S/h20-21,23H/q+1 56566165130886E2