InChI=1/C20H21NO3S/c1-2-14-3-5-15(6-4-14)11-12-24-17-9-7-16(8-10-17)13-18-19(22)21-20(23)25-18/h3-10,18H,2,11-13H2,1H3,(H,21,22,23)/t18-/m1/s1/f/h21H BB32E85D7866D5AF