InChI=1/C20H23N3O5/c24-15(13-6-7-16-14(10-13)21-17(25)12-28-16)11-23-18(26)20(22-19(23)27)8-4-2-1-3-5-9-20/h6-7,10H,1-5,8-9,11-12H2,(H,21,25)(H,22,27)/f/h21-22H 5711E07BB3AE63A2