InChI=1/C17H17N5O4S/c1-4-11-8(2)7-12(27-11)16(25)21-20-15(24)10-6-5-9-13(18-10)22(3)17(26)19-14(9)23/h5-7H,4H2,1-3H3,(H,20,24)(H,21,25)(H,19,23,26)/f/h19-21H B2AB162B253F0C4F