InChI=1/C19H21N3O6/c1-25-14-8-13(9-15(10-14)26-2)18(23)21-22-19(24)20-6-5-12-3-4-16-17(7-12)28-11-27-16/h3-4,7-10H,5-6,11H2,1-2H3,(H,21,23)(H2,20,22,24)/f/h20-22H 0A5A1E042F274A5B