InChI=1/C18H25NO4S/c1-3-5-7-8-9-17(18(20)19-21)24(22)16-12-10-15(11-13-16)23-14-6-4-2/h10-13,17,21H,3,5,7-9,14H2,1-2H3,(H,19,20)/t17-,24+/m1/s1/f/h19H 60E32F503A87FDC9