InChI=1/C16H14N2O3S/c1-16(2)13-9-11(6-7-14(13)17-15(22)21-16)10-4-3-5-12(8-10)18(19)20/h3-9H,1-2H3,(H,17,22)/f/h17H EC0437206D0C4E05