InChI=1S/C16H25N3O7S2/c1-3-4-9-26-13-5-7-14(8-6-13)28(24,25)19-11-12(18-27(2,22)23)10-15(19)16(20)17-21/h5-8,12,15,18,21H,3-4,9-11H2,1-2H3,(H,17,20)/t12-,15+/m0/s1