InChI=1/C20H21N3O7/c1-26-5-6-30-16-9-12-11(7-15(16)27-2)20(22-10-21-12)23-13-8-14(24)18(28-3)19(29-4)17(13)25/h7,9-10H,5-6,8H2,1-4H3 8B222BC122C093A2