InChI=1/C18H19NO5S/c1-9-6-7-12(10(2)8-9)15(20)19-16-13(17(21)23-4)11(3)14(25-16)18(22)24-5/h6-8H,1-5H3,(H,19,20)/f/h19H 026382AA87F10538