InChI=1S/C20H25N3O7S/c21-13(20(29)30)6-8-16(24)23-14(19(28)22-9-17(25)26)10-31-15-7-5-11-3-1-2-4-12(11)18(15)27/h1-5,7,13-15,18,27H,6,8-10,21H2,(H,22,28)(H,23,24)(H,25,26)(H,29,30)/t13-,14-,15-,18-/m0/s1