InChI=1/C18H21N3O5S/c1-10-5-11(2)16-12(6-10)7-14(18(24)21-16)17(23)19-8-15(22)20-13-3-4-27(25,26)9-13/h5-7,13H,3-4,8-9H2,1-2H3,(H,19,23)(H,20,22)(H,21,24)/t13-/m1/s1/f/h19-21H 557B76E4BC8921CD