InChI=1/C15H13ClN2O4S/c1-8(13(19)18-7-6-17-15(18)21)22-14(20)12-11(16)9-4-2-3-5-10(9)23-12/h2-5,8H,6-7H2,1H3,(H,17,21)/t8-/m0/s1/f/h17H 6F37E1F5A8D4B24C