InChI=1/C18H18N2O2S/c1-13-6-8-14(9-7-13)23(21,22)20-11-10-18-16(12-20)15-4-2-3-5-17(15)19-18/h2-9,18H,10-12H2,1H3/p+1/t18-/m0/s1/fC18H19N2O2S/h19H/q+1 EF6497CD2A4002DB