InChI=1S/C18H15ClN4O3S/c19-14-7-10-6-11(22-17(10)27-14)16(25)21-12-5-9-3-1-2-4-13(9)23(18(12)26)8-15(20)24/h1-4,6-7,12,14H,5,8H2,(H2,20,24)(H,21,25)/t12-,14+/m0/s1