InChI=1/C19H23N3O5/c1-12(13-4-5-14-15(10-13)27-9-8-26-14)20-16(23)11-22-17(24)19(21-18(22)25)6-2-3-7-19/h4-5,10,12H,2-3,6-9,11H2,1H3,(H,20,23)(H,21,25)/t12-/m1/s1/f/h20-21H 7DDB260199BE235B