InChI=1/C19H21N3O6/c1-3-12-7-14(11(2)23)16(24)8-17(12)28-10-13-5-4-6-15(21-13)19(26)20-9-18(25)22-27/h4-8,24,27H,3,9-10H2,1-2H3,(H,20,26)(H,22,25)/f/h20,22H BB7516DEF8C8A500