InChI=1/C15H16N4OS/c16-13-7-14(17)19-15(18-13)21-8-12(20)11-5-4-9-2-1-3-10(9)6-11/h4-7H,1-3,8H2,(H4,16,17,18,19)/f/h16-17H2 709203967949D54E