InChI=1/C13H25NO4S/c1-2-3-7-12(10-13(15)14-16)19(17,18)11-8-5-4-6-9-11/h11-12,16H,2-10H2,1H3,(H,14,15)/t12-/m1/s1/f/h14H 6B11C04E9221D14A