InChI=1/C17H19N3O3S/c18-24(22,23)15-6-3-5-14(12-15)19-17(21)9-11-20-10-8-13-4-1-2-7-16(13)20/h1-7,12H,8-11H2,(H,19,21)(H2,18,22,23)/f/h19H,18H2 2E646C82916A8E47