InChI=1/C16H16N6O2S/c1-10-14(25-16(18-10)21(2)3)13-7-8-17-15(20-13)19-11-5-4-6-12(9-11)22(23)24/h4-9H,1-3H3,(H,17,19,20)/f/h19H 6E3C423D52ABDCE9