InChI=1/C9H12N2O4/c1-15-6-4-2-3-5(6)11-8(13)7(12)10-9(11)14/h5-6H,2-4H2,1H3,(H,10,12,14)/t5-,6-/m1/s1/f/h10H 7A91DCE7DAD2C972