InChI=1/C17H16N2O3S/c20-16(19-22-11-12-6-2-1-3-7-12)10-15-17(21)18-13-8-4-5-9-14(13)23-15/h1-9,15H,10-11H2,(H,18,21)(H,19,20)/t15-/m0/s1/f/h18-19H 05D0ED60DA618C30