InChI=1/C17H20F2N4O2S/c1-4-23(5-2)26(24,25)14-7-9-17(20-11-14)22-21-12(3)15-8-6-13(18)10-16(15)19/h6-11H,4-5H2,1-3H3,(H,20,22)/b21-12+/f/h22H 2E81738F90D14FD3