InChI=1/C18H19NO3S/c1-12(2)22-14-9-7-13(8-10-14)16(20)11-23-17-6-4-3-5-15(17)18(19)21/h3-10,12H,11H2,1-2H3,(H2,19,21)/f/h19H2 87EE17678EFDD40E