InChI=1/C20H21ClN2O6/c1-11-17(20(25)29-9-8-28-2)18(19-14(22-11)4-3-5-16(19)24)12-6-7-13(21)15(10-12)23(26)27/h6-7,10,17-19H,1,3-5,8-9H2,2H3/t17-,18-,19-/m0/s1 8C33941E54F40267