InChI=1/C18H23N3O4S/c1-13(2)17(18(22)20-12-14-6-4-5-11-19-14)21-26(23,24)16-9-7-15(25-3)8-10-16/h4-11,13,17,21H,12H2,1-3H3,(H,20,22)/t17-/m0/s1/f/h20H 6B15138F33B35192