InChI=1/C17H21NO4S/c1-18(11-16-4-3-9-23-16)10-14(19)12-22-15-7-5-13(6-8-15)17(20)21-2/h3-9,14,19H,10-12H2,1-2H3/t14-/m0/s1 30516629524DA6B9