InChI=1/C18H26N2O3S/c1-18(2,3)13-5-9-17(10-6-13)24(21,22)20-15-7-8-16(20)12-14(11-15)19-23-4/h5-6,9-10,15-16H,7-8,11-12H2,1-4H3/t15-,16+ 11F9BCB6DD38D0B6