InChI=1/C13H19N3O4S/c1-10-6-7-11(8-14)9-15(10)21(19,20)13-5-3-2-4-12(13)16(17)18/h2-5,10-11H,6-9,14H2,1H3/p+1/t10-,11+/m0/s1/fC13H20N3O4S/h14H/q+1 50905BB28CE38B54