InChI=1/C18H18N4OS/c1-12-19-15-8-4-5-9-16(15)21(12)10-11-22-17(23)13-6-2-3-7-14(13)20-18(22)24/h2-9,12,19H,10-11H2,1H3,(H,20,24)/t12-/m1/s1/f/h20H 198E6A17BC3AC21D