InChI=1/C18H16N4O3S/c1-11-5-3-7-21-14(23)9-12(19-15(11)21)10-22-16(24)18(2,20-17(22)25)13-6-4-8-26-13/h3-9H,10H2,1-2H3,(H,20,25)/t18-/m0/s1/f/h20H 4BEDC7CA155AFD08