InChI=1/C20H21N3O4S/c1-14-17(4-2-5-18(14)23-13-3-6-20(23)25)22-19(24)12-9-15-7-10-16(11-8-15)28(21,26)27/h2,4-5,7-12H,3,6,13H2,1H3,(H,22,24)(H2,21,26,27)/b12-9+/f/h22H,21H2 E1BD51BD9A976CFC