InChI=1/C19H15ClN4O4S/c20-12-4-6-13(7-5-12)29(27,28)15-11-14-18(24(9-10-25)17(15)21)22-16-3-1-2-8-23(16)19(14)26/h1-8,11,21,25H,9-10H2/p+1/fC19H16ClN4O4S/h21H/q+1 E9C872899F5EF820