InChI=1/C18H21NO2S/c20-14-5-3-13-4-6-17-18(16(13)12-14)21-10-9-19(17)8-7-15-2-1-11-22-15/h1-3,5,11-12,17-18,20H,4,6-10H2/t17-,18+/m1/s1 B4A65784849408C9