InChI=1/C18H27ClN2O4/c1-3-5-6-7-11-21(12-13-22)18(24)17(23)20-15-10-8-9-14(19)16(15)25-4-2/h8-10,22H,3-7,11-13H2,1-2H3,(H,20,23)/f/h20H DDD2DB5CE98BFA49