InChI=1/C18H16N4O4S/c19-8-13-12-3-1-2-4-15(12)27-18(13)21-16(25)17(26)22-20-9-10-5-6-11(23)7-14(10)24/h5-7,9,23-24H,1-4H2,(H,21,25)(H,22,26)/b20-9+/f/h21-22H	3E3B66E1DC7C58D8