InChI=1/C21H23N3O5S/c1-3-23-11-10-16-17(13-23)30-20(19(16)21(26)29-4-2)22-18(25)9-8-14-6-5-7-15(12-14)24(27)28/h5-9,12H,3-4,10-11,13H2,1-2H3,(H,22,25)/b9-8-/f/h22H 6C4BA99CBACE6229