InChI=1/C12H15N3O4S/c13-12(17)8-1-4-10(5-2-8)20(18,19)15-9-3-6-11(16)14-7-9/h1-2,4-5,9,15H,3,6-7H2,(H2,13,17)(H,14,16)/t9-/m0/s1/f/h14H,13H2 EEFF8E772191383D