InChI=1/C20H19N5O2S/c1-3-7-16(26)25-15-10-5-4-9-14(15)17-18(22-20(28-2)24-23-17)27-19(25)13-8-6-11-21-12-13/h4-6,8-12,19H,3,7H2,1-2H3/t19-/m0/s1 EA2CC2765B8DB316