InChI=1/C16H18N2O3S/c1-16(2)6-8(19)11-9(7-16)21-15(18)13(14(17)20)12(11)10-4-3-5-22-10/h3-5,12H,6-7,18H2,1-2H3,(H2,17,20)/t12-/m0/s1/f/h17H2 D5B0B7D166352B6A