InChI=1/C15H21NO3S/c1-11-6-7-12(2)13(10-11)20(18,19)16-14(17)15(3)8-4-5-9-15/h6-7,10H,4-5,8-9H2,1-3H3,(H,16,17)/f/h17H 1BCBD95BE5BE2C50