InChI=1/C19H17NO3S/c1-20(18-8-6-14-4-2-3-5-15(14)10-18)24(21,22)19-9-7-16-12-23-13-17(16)11-19/h2-11H,12-13H2,1H3 9BBF5CED02B6EDE0