InChI=1/C18H18N2O2S/c1-3-20(18(22)16-5-4-8-23-16)11-14-10-13-9-12(2)6-7-15(13)19-17(14)21/h4-10,14H,3,11H2,1-2H3/p+1/t14-/m0/s1/fC18H19N2O2S/h19H/q+1 BCD81B40905B9ED5