InChI=1/C16H22N2O2S/c1-10-6-8-12(9-7-10)11(2)17-14-18-13(19)16(5,21-14)15(3,4)20/h6-9,11,20H,1-5H3,(H,17,18,19)/t11-,16-/m0/s1/f/h17H 8C7E73D5FDD32AA1