InChI=1/C12H18N4O4S/c1-2-9-4-3-7-15(9)21(19,20)12-8-10(16(17)18)5-6-11(12)14-13/h5-6,8-9,14H,2-4,7,13H2,1H3/t9-/m1/s1 4877FF15361AAED9