InChI=1/C17H21N3O6/c1-10-3-4-13(11(2)5-10)20-15(25)12(14(24)19-16(20)26)6-18-17(7-21,8-22)9-23/h3-6,18,21-23H,7-9H2,1-2H3,(H,19,24,26)/b12-6+/f/h19H 8CD353905F31D1B4