InChI=1/C18H15NO2S/c20-18-16-13-8-4-5-9-14(13)22-17(16)19-15(21-18)11-10-12-6-2-1-3-7-12/h1-3,6-7,10-11H,4-5,8-9H2/b11-10-	5A775EB01563B021