InChI=1/C21H28N2O2S/c1-17-5-9-19(10-6-17)22-13-15-23(16-14-22)26(24,25)20-11-7-18(8-12-20)21(2,3)4/h5-12H,13-16H2,1-4H3 D0EC21FE9A19F2AB