InChI=1/C11H10ClN4O4S/c1-2-10-13-6-11(14-10)21(19,20)15-9-5-7(16(17)18)3-4-8(9)12/h3-6H,2H2,1H3,(H,13,14)/q-1/p+1/fC11H11ClN4O4S/h13-14H/q FD7DE8DB7BC9E1A1