InChI=1/C20H23N3O4S/c1-15(24)23-12-6-16-13-19(4-5-20(16)23)28(25,26)22-10-7-17(8-11-22)27-18-3-2-9-21-14-18/h2-5,9,13-14,17H,6-8,10-12H2,1H3 EC4B6F90244C7261