InChI=1/C11H12N2O3/c14-10(13-16)6-8-5-7-3-1-2-4-9(7)12-11(8)15/h1-4,8,16H,5-6H2,(H,12,15)(H,13,14)/t8-/m1/s1/f/h12-13H B853859B7807BE92