InChI=1/C18H18N4O4S/c1-10-5-4-6-14(11(10)2)26-12(3)15(23)20-21-16(24)13-9-19-18-22(17(13)25)7-8-27-18/h4-9,12H,1-3H3,(H,20,23)(H,21,24)/t12-/m0/s1/f/h20-21H 6FEA0494E4B6EE50