InChI=1/C17H21N3O7/c1-2-27-12-5-3-11(4-6-12)20-15(25)13(14(24)19-16(20)26)7-18-17(8-21,9-22)10-23/h3-7,18,21-23H,2,8-10H2,1H3,(H,19,24,26)/b13-7+/f/h19H C7C45098633B0BF0