InChI=1/C16H20N2O2S/c1-16-9-7-14(19)18(16)13(11-21-16)15(20)17-10-8-12-5-3-2-4-6-12/h2-6,13H,7-11H2,1H3,(H,17,20)/t13-,16-/m1/s1/f/h17H 1845A9EC2900C714