InChI=1/C21H19N5O2S/c1-12-4-3-5-14(8-12)25-21(27)26-16-7-6-13(9-17(16)28-2)15-10-29-20-18(15)19(22)23-11-24-20/h3-11H,1-2H3,(H2,22,23,24)(H2,25,26,27)/f/h25-26H,22H2 8F3E174234E8A4FB