InChI=1/C14H21NO4S/c1-2-3-9-13(10-14(16)15-17)20(18,19)11-12-7-5-4-6-8-12/h4-8,13,17H,2-3,9-11H2,1H3,(H,15,16)/t13-/m0/s1/f/h15H 5316BF5E1EFC1B5D