InChI=1/C21H29ClN2O4/c1-14-11-24(12-15(2)28-14)21(25)17-3-5-23(6-4-17)13-16-9-18(22)20-19(10-16)26-7-8-27-20/h9-10,14-15,17H,3-8,11-13H2,1-2H3/p+1/t14-,15-/m1/s1/fC21H30ClN2O4/h23H/q+1 D76D18E9ED4E4B54