InChI=1/C20H18N2O3S2/c23-20(19-7-4-12-26-19)21-17-9-8-15-10-11-22(14-16(15)13-17)27(24,25)18-5-2-1-3-6-18/h1-9,12-13H,10-11,14H2,(H,21,23)/f/h21H 5D8DFA7D580D9796