InChI=1/C16H16N2O2S/c1-3-8-20-12-7-5-4-6-11(12)14-17-15(19)13-10(2)9-21-16(13)18-14/h4-7,9H,3,8H2,1-2H3,(H,17,18,19)/f/h17H 5076767878F4E213