InChI=1/C18H18N4S/c1-21-14(11-19)7-9-16(21)12-6-8-15-17(10-12)22(18(23)20-15)13-4-2-3-5-13/h6-10,13H,2-5H2,1H3,(H,20,23)/f/h20H 4B347445C61772CD