002289: InChI=1.12Beta/C12H12N2O4/c15-11(14-18)9(12(16)17)5-7-6-13-10-4-2-1-3-8(7)10/h1-4H,5H2,6H,9H,13H,18H,(H,14,15)(H,16,17)/t9-/m1/s1