InChI=1/C19H30N2O5S/c1-4-26-18(24)16-14(9-13(2)3)11-27-17(16)21-15(23)10-20-19(12-22)5-7-25-8-6-19/h11,13,20,22H,4-10,12H2,1-3H3,(H,21,23)/p+1/fC19H31N2O5S/h20-21H/q+1 D502579A6893112B