InChI=1/C20H25N3O5S/c1-28-17-8-10-18(11-9-17)29(26,27)23-13-5-12-22(15-19(23)20(24)21-25)14-16-6-3-2-4-7-16/h2-4,6-11,19,25H,5,12-15H2,1H3,(H,21,24)/t19-/m1/s1/f/h21H 41D03B6F51806044