InChI=1/C18H21N3O4S/c1-11-8-12(2)10-15(9-11)21-18(23)17(22)20-13(3)14-4-6-16(7-5-14)26(19,24)25/h4-10,13H,1-3H3,(H,20,22)(H,21,23)(H2,19,24,25)/t13-/m0/s1/f/h20-21H,19H2 A3C6CD105F75F2DF