InChI=1/C15H18N2O2S/c1-19-15(18)13-12(16)10-8-9-6-4-2-3-5-7-11(9)17-14(10)20-13/h8H,2-7,16H2,1H3/p+1/fC15H19N2O2S/h17H/q+1 DD22BD685B169F9C