InChI=1/C20H20N4O3S/c1-11-7-12(2)9-15(8-11)22-19(25)17-13(3)21-20(28)23-18(17)14-5-4-6-16(10-14)24(26)27/h4-10,18H,1-3H3,(H,22,25)(H2,21,23,28)/t18-/m1/s1/f/h21-23H 42F90B65CA517D49