InChI=1/C16H20N2O2S/c1-12-13-4-2-3-5-14(13)21-15(12)16(19)17-6-7-18-8-10-20-11-9-18/h2-5H,6-11H2,1H3,(H,17,19)/f/h17H 310B0754AB7BD206