InChI=1/C21H28N2O2S/c1-17-7-5-6-8-20(17)22-13-15-23(16-14-22)26(24,25)19-11-9-18(10-12-19)21(2,3)4/h5-12H,13-16H2,1-4H3 1D989BF82418DFC1