InChI=1/C11H13ClN4O4S/c1-6-9(10(12)16(3)14-6)21(18,19)15-13-11(17)8-4-5-20-7(8)2/h4-5,15H,1-3H3,(H,13,17)/f/h13H 6A16502F35FF62A9