InChI=1/C17H21NO4S/c1-2-3-8-15(12-17(19)18-20)23(21,22)16-10-9-13-6-4-5-7-14(13)11-16/h4-7,9-11,15,20H,2-3,8,12H2,1H3,(H,18,19)/t15-/m0/s1/f/h18H E9113B447C76134A