InChI=1/C18H17N3O4/c22-16-6-4-13(17(21-16)12-2-1-7-19-9-12)20-18(23)11-3-5-14-15(8-11)25-10-24-14/h1-3,5,7-9,13,17H,4,6,10H2,(H,20,23)(H,21,22)/t13-,17-/m0/s1/f/h20-21H	4FE2321567686EBF