InChI=1/C20H23NO3S/c1-3-14-7-9-15(10-8-14)13(2)21-19(22)12-24-20(23)18-11-16-5-4-6-17(16)25-18/h7-11,13H,3-6,12H2,1-2H3,(H,21,22)/t13-/m0/s1/f/h21H 478283474B2E18A0