InChI=1/C21H21ClN2O5/c1-23(12-13-4-6-14(7-5-13)21(27)29-3)17-11-19(25)24(20(17)26)15-8-9-18(28-2)16(22)10-15/h4-10,17H,11-12H2,1-3H3/p+1/t17-/m0/s1/fC21H22ClN2O5/h23H/q+1 A3A98E780A3E5E23