InChI=1/C21H23N5OS/c1-13-8-7-9-14(2)19(13)26-21(22-23-24-26)28-16(4)20(27)25-15(3)12-17-10-5-6-11-18(17)25/h5-11,15-16H,12H2,1-4H3/t15-,16-/m0/s1 2E5F97EB54948621