InChI=1/C20H21N3O4S/c1-4-10-27-20(26)16(11-21)19-23(5-2)18(25)17(28-19)12-22-15-8-6-14(7-9-15)13(3)24/h4,6-9,17,22H,1,5,10,12H2,2-3H3/b19-16-/t17-/m0/s1 8C7FC8ADAFC2F505