InChI=1/C20H25N3O5S/c1-13-8-14(2)10-16(9-13)12-28-17-4-5-19-18(11-17)21-6-7-23(29(19,26)27)15(3)20(24)22-25/h4-5,8-11,15,21,25H,6-7,12H2,1-3H3,(H,22,24)/t15-/m1/s1/f/h22H 1E5F3C6E3CF66A16