InChI=1/C18H22N4O4S/c1-20-27(25,26)16-9-4-13(5-10-16)6-11-17(23)22-15-7-2-14(3-8-15)12-21-18(19)24/h2-5,7-10,20H,6,11-12H2,1H3,(H,22,23)(H3,19,21,24)/f/h21-22H,19H2 68C53C1C63F972B0