InChI=1/C16H20N2O3S/c1-4-21-10-18-15(22-12-8-6-5-7-9-12)13(11(2)3)14(19)17-16(18)20/h5-9,11H,4,10H2,1-3H3,(H,17,19,20)/f/h17H F6D451FC478EB356