InChI=1/C15H19NO5S/c1-4-5-10-21-12-6-8-13(9-7-12)22(19,20)14(11(2)3)15(17)16-18/h6-9,11,14,18H,10H2,1-3H3,(H,16,17)/t14-/m1/s1/f/h16H EA354D1E6C5046E1