InChI=1/C18H21N3O5S/c1-18(2,3)21-27(25,26)13-10-8-12(9-11-13)16(23)19-20-17(24)14-6-4-5-7-15(14)22/h4-11,21-22H,1-3H3,(H,19,23)(H,20,24)/f/h19-20H CB247969353C84C9