InChI=1/C21H20N4O2S/c1-13(20(26)23-15-9-10-16-17(12-15)25-21(27)24-16)22-19(18-8-5-11-28-18)14-6-3-2-4-7-14/h2-13,19,22H,1H3,(H,23,26)(H2,24,25,27)/t13-,19-/m1/s1/f/h23-25H 3BF96962A51F49FA