InChI=1/C17H19ClN2O4/c1-8-15(10(3)21)9(2)19-16(8)17(22)20-12-7-13(23-4)11(18)6-14(12)24-5/h6-7,19H,1-5H3,(H,20,22)/f/h20H 7D8BC41E0FB07769