InChI=1/C13H19N3O4S/c1-9-4-3-5-11(9)15-21(19,20)13-7-6-10(16(17)18)8-12(13)14-2/h6-9,11,14-15H,3-5H2,1-2H3/t9-,11-/m1/s1 8BE9E66BC1F0AEFA