InChI=1/C18H20N2O2S/c1-11-16(13(3)21)12(2)19-17(11)18(22)20-9-6-10-23-15-8-5-4-7-14(15)20/h4-5,7-8,19H,6,9-10H2,1-3H3 C0C3D419CF30A8F1