InChI=1/C20H21N3O6/c1-23(2)15-5-3-4-13(10-15)19(25)29-12-18(24)22-20(26)21-14-6-7-16-17(11-14)28-9-8-27-16/h3-7,10-11H,8-9,12H2,1-2H3,(H2,21,22,24,26)/f/h21-22H A642BDD8DFAB77A5