InChI=1/C18H21N3O4S/c1-11-8-12(2)17(13(3)9-11)26(24,25)21-15-6-4-14(5-7-15)18(23)20-10-16(19)22/h4-9,21H,10H2,1-3H3,(H2,19,22)(H,20,23)/f/h20H,19H2 01F21FF51B1AB953