InChI=1/C18H21NO4S/c1-13(2)14-4-7-16(8-5-14)24(20,21)19-15-6-9-17-18(12-15)23-11-3-10-22-17/h4-9,12-13,19H,3,10-11H2,1-2H3 15759AB408D52362