InChI=1/C16H21NO4S/c1-22(19,20)17-14-9-11-7-8-15(18)13(11)10-16(14)21-12-5-3-2-4-6-12/h9-10,12H,2-8H2,1H3,(H,17,18)/p-1/fC16H20NO4S/q-1 15FAADB4258E6043